102120210111112 has 16 divisors (see below), whose sum is σ = 195549338511360. Its totient is φ = 49973719841424.

The previous prime is 102120210111097. The next prime is 102120210111131. The reversal of 102120210111112 is 211111012021201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135798151368 + ... + 135798152119.

It is an arithmetic number, because the mean of its divisors is an integer number (12221833656960).

Almost surely, 2^{102120210111112} is an apocalyptic number.

It is an amenable number.

102120210111112 is a deficient number, since it is larger than the sum of its proper divisors (93429128400248).

102120210111112 is a wasteful number, since it uses less digits than its factorization.

102120210111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271596303540 (or 271596303536 counting only the distinct ones).

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

Adding to 102120210111112 its reverse (211111012021201), we get a palindrome (313231222132313).

The spelling of 102120210111112 in words is "one hundred two trillion, one hundred twenty billion, two hundred ten million, one hundred eleven thousand, one hundred twelve".