111231130111194 has 48 divisors (see below), whose sum is σ = 228968144054496. Its totient is φ = 36022752388800.

The previous prime is 111231130111177. The next prime is 111231130111253. The reversal of 111231130111194 is 491111031132111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4122717 + ... + 15474464.

It is an arithmetic number, because the mean of its divisors is an integer number (4770169667802).

Almost surely, 2^{111231130111194} is an apocalyptic number.

111231130111194 is an abundant number, since it is smaller than the sum of its proper divisors (117737013943302).

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

111231130111194 is a wasteful number, since it uses less digits than its factorization.

111231130111194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19597951 (or 19597914 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 30.

The spelling of 111231130111194 in words is "one hundred eleven trillion, two hundred thirty-one billion, one hundred thirty million, one hundred eleven thousand, one hundred ninety-four".