102111011202100 has 72 divisors (see below), whose sum is σ = 231218132217408. Its totient is φ = 39068005574400.

The previous prime is 102111011202089. The next prime is 102111011202133. The reversal of 102111011202100 is 1202110111201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185291167 + ... + 185841433.

It is an arithmetic number, because the mean of its divisors is an integer number (3211362947464).

Almost surely, 2^{102111011202100} is an apocalyptic number.

102111011202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102111011202100 is an abundant number, since it is smaller than the sum of its proper divisors (129107121015308).

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

102111011202100 is a wasteful number, since it uses less digits than its factorization.

102111011202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630985 (or 630978 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102111011202100 its reverse (1202110111201), we get a palindrome (103313121313301).

The spelling of 102111011202100 in words is "one hundred two trillion, one hundred eleven billion, eleven million, two hundred two thousand, one hundred".