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102011210101223 = 17231249208885697
BaseRepresentation
bin10111001100011101010101…
…111100001111000111100111
3111101012011202121221112011222
4113030131111330033013213
5101332322424241214343
61000543145235050555
730326031612011213
oct2714352574170747
9441164677845158
10102011210101223
112a55a790747a25
12b536557a40a5b
1344bc800cb78b7
141b29524423943
15bbd82b9dda68
hex5cc755f0f1e7

102011210101223 has 16 divisors (see below), whose sum is σ = 112798276920000. Its totient is φ = 91762650710016.

The previous prime is 102011210101187. The next prime is 102011210101231. The reversal of 102011210101223 is 322101012110201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102011210101223 - 216 = 102011210035687 is a prime.

It is a super-2 number, since 2×1020112101012232 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011210101253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103954490 + ... + 104931207.

It is an arithmetic number, because the mean of its divisors is an integer number (7049892307500).

Almost surely, 2102011210101223 is an apocalyptic number.

102011210101223 is a deficient number, since it is larger than the sum of its proper divisors (10787066818777).

102011210101223 is a wasteful number, since it uses less digits than its factorization.

102011210101223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208886986.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 102011210101223 its reverse (322101012110201), we get a palindrome (424112222211424).

The spelling of 102011210101223 in words is "one hundred two trillion, eleven billion, two hundred ten million, one hundred one thousand, two hundred twenty-three".

Divisors: 1 17 23 391 1249 21233 28727 488359 208885697 3551056849 4804371031 81674307527 260898235553 4435270004401 6000659417719 102011210101223