102111221202200 has 48 divisors (see below), whose sum is σ = 271324102055280. Its totient is φ = 35009561554560.

The previous prime is 102111221202161. The next prime is 102111221202229. The reversal of 102111221202200 is 2202122111201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36468291887 + ... + 36468294686.

It is an arithmetic number, because the mean of its divisors is an integer number (5652585459485).

Almost surely, 2^{102111221202200} is an apocalyptic number.

102111221202200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102111221202200 is an abundant number, since it is smaller than the sum of its proper divisors (169212880853080).

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

102111221202200 is a wasteful number, since it uses less digits than its factorization.

102111221202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72936586596 (or 72936586587 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102111221202200 its reverse (2202122111201), we get a palindrome (104313343313401).

Subtracting from 102111221202200 its reverse (2202122111201), we obtain a palindrome (99909099090999).

The spelling of 102111221202200 in words is "one hundred two trillion, one hundred eleven billion, two hundred twenty-one million, two hundred two thousand, two hundred".