102030211112 has 8 divisors (see below), whose sum is σ = 191306645850. Its totient is φ = 51015105552.

The previous prime is 102030211099. The next prime is 102030211177. The reversal of 102030211112 is 211112030201.

It can be written as a sum of positive squares in only one way, i.e., 88831418116 + 13198792996 = 298046^2 + 114886^2 .

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, 6376888187 + ... + 6376888202.

Almost surely, 2^102030211112 is an apocalyptic number.

It is an amenable number.

102030211112 is a deficient number, since it is larger than the sum of its proper divisors (89276434738).

102030211112 is a wasteful number, since it uses less digits than its factorization.

102030211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12753776395 (or 12753776391 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102030211112 its reverse (211112030201), we get a palindrome (313142241313).

The spelling of 102030211112 in words is "one hundred two billion, thirty million, two hundred eleven thousand, one hundred twelve".