111144110402 has 24 divisors (see below), whose sum is σ = 181169571780. Its totient is φ = 51114685440.

The previous prime is 111144110383. The next prime is 111144110419. The reversal of 111144110402 is 204011441111.

It can be written as a sum of positive squares in 6 ways, for example, as 50849799001 + 60294311401 = 225499^2 + 245549^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490127 + ... + 680082.

Almost surely, 2^111144110402 is an apocalyptic number.

111144110402 is a deficient number, since it is larger than the sum of its proper divisors (70025461378).

111144110402 is a wasteful number, since it uses less digits than its factorization.

111144110402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170518 (or 1170505 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111144110402 its reverse (204011441111), we get a palindrome (315155551513).

The spelling of 111144110402 in words is "one hundred eleven billion, one hundred forty-four million, one hundred ten thousand, four hundred two".