102210012111112 has 8 divisors (see below), whose sum is σ = 191643772708350. Its totient is φ = 51105006055552.

The previous prime is 102210012111079. The next prime is 102210012111139. The reversal of 102210012111112 is 211111210012201.

It can be written as a sum of positive squares in only one way, i.e., 60128765267076 + 42081246844036 = 7754274^2 + 6487006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6388125756937 + ... + 6388125756952.

Almost surely, 2^{102210012111112} is an apocalyptic number.

It is an amenable number.

102210012111112 is a deficient number, since it is larger than the sum of its proper divisors (89433760597238).

102210012111112 is a wasteful number, since it uses less digits than its factorization.

102210012111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12776251513895 (or 12776251513891 counting only the distinct ones).

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

Adding to 102210012111112 its reverse (211111210012201), we get a palindrome (313321222123313).

The spelling of 102210012111112 in words is "one hundred two trillion, two hundred ten billion, twelve million, one hundred eleven thousand, one hundred twelve".