111020230142 has 16 divisors (see below), whose sum is σ = 172414902240. Its totient is φ = 53551754592.

The previous prime is 111020230127. The next prime is 111020230193. The reversal of 111020230142 is 241032020111.

It is a self number, because there is not a number n which added to its sum of digits gives 111020230142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718658 + ... + 859365.

It is an arithmetic number, because the mean of its divisors is an integer number (10775931390).

Almost surely, 2^111020230142 is an apocalyptic number.

111020230142 is a deficient number, since it is larger than the sum of its proper divisors (61394672098).

111020230142 is a wasteful number, since it uses less digits than its factorization.

111020230142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579267.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 111020230142 its reverse (241032020111), we get a palindrome (352052250253).

The spelling of 111020230142 in words is "one hundred eleven billion, twenty million, two hundred thirty thousand, one hundred forty-two".