111230042250 has 64 divisors (see below), whose sum is σ = 292242337920. Its totient is φ = 28100217600.

The previous prime is 111230042243. The next prime is 111230042291. The reversal of 111230042250 is 52240032111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3888559 + ... + 3917058.

It is an arithmetic number, because the mean of its divisors is an integer number (4566286530).

Almost surely, 2^111230042250 is an apocalyptic number.

111230042250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111230042250 is an abundant number, since it is smaller than the sum of its proper divisors (181012295670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111230042250 is a wasteful number, since it uses less digits than its factorization.

111230042250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7805656 (or 7805646 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 111230042250 its reverse (52240032111), we get a palindrome (163470074361).

The spelling of 111230042250 in words is "one hundred eleven billion, two hundred thirty million, forty-two thousand, two hundred fifty".