102211210021200 has 120 divisors (see below), whose sum is σ = 374190372717888. Its totient is φ = 23362562288640.

The previous prime is 102211210021199. The next prime is 102211210021213. The reversal of 102211210021200 is 2120012112201.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102211210021200.

It is a congruent number.

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, 6083992197 + ... + 6084008996.

Almost surely, 2^{102211210021200} is an apocalyptic number.

102211210021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102211210021200 is an abundant number, since it is smaller than the sum of its proper divisors (271979162696688).

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

102211210021200 is a wasteful number, since it uses less digits than its factorization.

102211210021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12168001221 (or 12168001210 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102211210021200 its reverse (2120012112201), we get a palindrome (104331222133401).

The spelling of 102211210021200 in words is "one hundred two trillion, two hundred eleven billion, two hundred ten million, twenty-one thousand, two hundred".