102211121200 has 30 divisors (see below), whose sum is σ = 245562219644. Its totient is φ = 40884448320.

The previous prime is 102211121197. The next prime is 102211121231. The reversal of 102211121200 is 2121112201.

It is a super-2 number, since 2×102211121200² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127763502 + ... + 127764301.

Almost surely, 2^102211121200 is an apocalyptic number.

102211121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102211121200 is an abundant number, since it is smaller than the sum of its proper divisors (143351098444).

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

102211121200 is a wasteful number, since it uses less digits than its factorization.

102211121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255527821 (or 255527810 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102211121200 its reverse (2121112201), we get a palindrome (104332233401).

The spelling of 102211121200 in words is "one hundred two billion, two hundred eleven million, one hundred twenty-one thousand, two hundred".