111302100212 has 6 divisors (see below), whose sum is σ = 194778675378. Its totient is φ = 55651050104.

The previous prime is 111302100179. The next prime is 111302100269. The reversal of 111302100212 is 212001203111.

It can be written as a sum of positive squares in only one way, i.e., 91230577936 + 20071522276 = 302044^2 + 141674^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13912762523 + ... + 13912762530.

It is an arithmetic number, because the mean of its divisors is an integer number (32463112563).

Almost surely, 2^111302100212 is an apocalyptic number.

It is an amenable number.

111302100212 is a deficient number, since it is larger than the sum of its proper divisors (83476575166).

111302100212 is a wasteful number, since it uses less digits than its factorization.

111302100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27825525057 (or 27825525055 counting only the distinct ones).

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

Adding to 111302100212 its reverse (212001203111), we get a palindrome (323303303323).

The spelling of 111302100212 in words is "one hundred eleven billion, three hundred two million, one hundred thousand, two hundred twelve".