102100212111112 has 8 divisors (see below), whose sum is σ = 191437897708350. Its totient is φ = 51050106055552.

The previous prime is 102100212111083. The next prime is 102100212111143. The reversal of 102100212111112 is 211111212001201.

It can be written as a sum of positive squares in only one way, i.e., 78902252697636 + 23197959413476 = 8882694^2 + 4816426^2 .

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, 6381263256937 + ... + 6381263256952.

Almost surely, 2^{102100212111112} is an apocalyptic number.

It is an amenable number.

102100212111112 is a deficient number, since it is larger than the sum of its proper divisors (89337685597238).

102100212111112 is a wasteful number, since it uses less digits than its factorization.

102100212111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12762526513895 (or 12762526513891 counting only the distinct ones).

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

Adding to 102100212111112 its reverse (211111212001201), we get a palindrome (313211424112313).

The spelling of 102100212111112 in words is "one hundred two trillion, one hundred billion, two hundred twelve million, one hundred eleven thousand, one hundred twelve".