111010021204 has 6 divisors (see below), whose sum is σ = 194267537114. Its totient is φ = 55505010600.

The previous prime is 111010021159. The next prime is 111010021217. The reversal of 111010021204 is 402120010111.

It can be written as a sum of positive squares in only one way, i.e., 109993049104 + 1016972100 = 331652^2 + 31890^2 .

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, 13876252647 + ... + 13876252654.

Almost surely, 2^111010021204 is an apocalyptic number.

It is an amenable number.

111010021204 is a deficient number, since it is larger than the sum of its proper divisors (83257515910).

111010021204 is a wasteful number, since it uses less digits than its factorization.

111010021204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27752505305 (or 27752505303 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111010021204 its reverse (402120010111), we get a palindrome (513130031315).

The spelling of 111010021204 in words is "one hundred eleven billion, ten million, twenty-one thousand, two hundred four".