111212490930 has 16 divisors (see below), whose sum is σ = 266909978304. Its totient is φ = 29656664240.

The previous prime is 111212490919. The next prime is 111212490947. The reversal of 111212490930 is 39094212111.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111212490891 and 111212490900.

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, 1853541486 + ... + 1853541545.

It is an arithmetic number, because the mean of its divisors is an integer number (16681873644).

Almost surely, 2^111212490930 is an apocalyptic number.

111212490930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111212490930 is an abundant number, since it is smaller than the sum of its proper divisors (155697487374).

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

111212490930 is a wasteful number, since it uses less digits than its factorization.

111212490930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707083041.

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 111212490930 in words is "one hundred eleven billion, two hundred twelve million, four hundred ninety thousand, nine hundred thirty".