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102112220211210 = 232511272533378463
BaseRepresentation
bin10111001101111011011010…
…100111001110100000001010
3111101112211111012021202211200
4113031323122213032200022
5101341001311333224320
61001101412324205030
730336236002535616
oct2715733247164012
9441484435252750
10102112220211210
112a599605281670
12b552047b39776
1344c91aab64151
141b303876a4346
15bc128e755290
hex5cdeda9ce80a

102112220211210 has 96 divisors (see below), whose sum is σ = 289629216235008. Its totient is φ = 24754321388160.

The previous prime is 102112220211193. The next prime is 102112220211227. The reversal of 102112220211210 is 12112022211201.

102112220211210 is a `hidden beast` number, since 1 + 0 + 21 + 1 + 2 + 220 + 211 + 210 = 666.

It is an interprime number because it is at equal distance from previous prime (102112220211193) and next prime (102112220211227).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269618439 + ... + 269996901.

It is an arithmetic number, because the mean of its divisors is an integer number (3016971002448).

Almost surely, 2102112220211210 is an apocalyptic number.

102112220211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102112220211210 is an abundant number, since it is smaller than the sum of its proper divisors (187516996023798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102112220211210 is a wasteful number, since it uses less digits than its factorization.

102112220211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651020 (or 651017 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102112220211210 its reverse (12112022211201), we get a palindrome (114224242422411).

The spelling of 102112220211210 in words is "one hundred two trillion, one hundred twelve billion, two hundred twenty million, two hundred eleven thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 272533 378463 545066 756926 817599 1135389 1362665 1635198 1892315 2270778 2452797 2725330 2997863 3406167 3784630 4087995 4163093 4905594 5676945 5995726 6812334 8175990 8326186 8993589 11353890 12263985 12489279 14989315 17030835 17987178 20815465 24527970 24978558 26980767 29978630 34061670 37467837 41630930 44967945 53961534 62446395 74935674 89935890 124892790 134903835 187339185 269807670 374678370 103143656779 206287313558 309430970337 515718283895 618861940674 928292911011 1031436567790 1134580224569 1547154851685 1856585822022 2269160449138 3094309703370 3403740673707 4641464555055 5672901122845 6807481347414 9282929110110 10211222021121 11345802245690 17018703368535 20422444042242 34037406737070 51056110105605 102112220211210