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102101222112210 = 23256971162739639
BaseRepresentation
bin10111001101110001001011…
…000100110011101111010010
3111101111210002201102110021200
4113031301023010303233102
5101340311300330042320
61001052353124532030
730335366315331216
oct2715611304635722
9441453081373250
10102101222112210
112a594981122052
12b54ba98851016
1344c8147453b69
141b2da22b6a946
15bc0d48e3e290
hex5cdc4b133bd2

102101222112210 has 48 divisors (see below), whose sum is σ = 265501260198720. Its totient is φ = 27223086644640.

The previous prime is 102101222112187. The next prime is 102101222112269. The reversal of 102101222112210 is 12211222101201.

102101222112210 is a `hidden beast` number, since 1 + 0 + 210 + 1 + 22 + 211 + 221 + 0 = 666.

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 23 ways as a sum of consecutive naturals, for example, 80742430 + ... + 81997209.

It is an arithmetic number, because the mean of its divisors is an integer number (5531276254140).

Almost surely, 2102101222112210 is an apocalyptic number.

102101222112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102101222112210 is an abundant number, since it is smaller than the sum of its proper divisors (163400038086510).

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

102101222112210 is a wasteful number, since it uses less digits than its factorization.

102101222112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162746623 (or 162746620 counting only the distinct ones).

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

Adding to 102101222112210 its reverse (12211222101201), we get a palindrome (114312444213411).

The spelling of 102101222112210 in words is "one hundred two trillion, one hundred one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 6971 13942 20913 34855 41826 62739 69710 104565 125478 209130 313695 627390 162739639 325479278 488218917 813698195 976437834 1464656751 1627396390 2441094585 2929313502 4882189170 7323283755 14646567510 1134458023469 2268916046938 3403374070407 5672290117345 6806748140814 10210122211221 11344580234690 17016870352035 20420244422442 34033740704070 51050611056105 102101222112210