102111222111200 has 36 divisors (see below), whose sum is σ = 249279020980920. Its totient is φ = 40844488844160.

The previous prime is 102111222111187. The next prime is 102111222111251. The reversal of 102111222111200 is 2111222111201.

It is a congruent number.

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, 63819513020 + ... + 63819514619.

It is an arithmetic number, because the mean of its divisors is an integer number (6924417249470).

Almost surely, 2^{102111222111200} is an apocalyptic number.

102111222111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102111222111200 is an abundant number, since it is smaller than the sum of its proper divisors (147167798869720).

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

102111222111200 is a wasteful number, since it uses less digits than its factorization.

102111222111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127639027659 (or 127639027646 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102111222111200 its reverse (2111222111201), we get a palindrome (104222444222401).

Subtracting from 102111222111200 its reverse (2111222111201), we obtain a palindrome (99999999999999).

The spelling of 102111222111200 in words is "one hundred two trillion, one hundred eleven billion, two hundred twenty-two million, one hundred eleven thousand, two hundred".