102221111021200 has 120 divisors (see below), whose sum is σ = 259143875808800. Its totient is φ = 38641709767680.

The previous prime is 102221111021189. The next prime is 102221111021251. The reversal of 102221111021200 is 2120111122201.

It is a super-2 number, since 2×102221111021200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 13334322 + ... + 19551121.

Almost surely, 2^{102221111021200} is an apocalyptic number.

102221111021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102221111021200 is an abundant number, since it is smaller than the sum of its proper divisors (156922764787600).

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

102221111021200 is a wasteful number, since it uses less digits than its factorization.

102221111021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32885889 (or 32885878 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102221111021200 its reverse (2120111122201), we get a palindrome (104341222143401).

The spelling of 102221111021200 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred eleven million, twenty-one thousand, two hundred".