102111201200 has 60 divisors (see below), whose sum is σ = 245361520560. Its totient is φ = 40837927680.

The previous prime is 102111201173. The next prime is 102111201211. The reversal of 102111201200 is 2102111201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3050957 + ... + 3084243.

It is an arithmetic number, because the mean of its divisors is an integer number (4089358676).

Almost surely, 2^102111201200 is an apocalyptic number.

102111201200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102111201200 is an abundant number, since it is smaller than the sum of its proper divisors (143250319360).

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

102111201200 is a wasteful number, since it uses less digits than its factorization.

102111201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40974 (or 40963 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102111201200 its reverse (2102111201), we get a palindrome (104213312401).

The spelling of 102111201200 in words is "one hundred two billion, one hundred eleven million, two hundred one thousand, two hundred".