111722105982 has 16 divisors (see below), whose sum is σ = 224567049600. Its totient is φ = 37053562392.

The previous prime is 111722105947. The next prime is 111722106007. The reversal of 111722105982 is 289501227111.

It is a self number, because there is not a number n which added to its sum of digits gives 111722105982.

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, 46783608 + ... + 46785995.

It is an arithmetic number, because the mean of its divisors is an integer number (14035440600).

Almost surely, 2^111722105982 is an apocalyptic number.

111722105982 is an abundant number, since it is smaller than the sum of its proper divisors (112844943618).

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

111722105982 is a wasteful number, since it uses less digits than its factorization.

111722105982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93569807.

The product of its (nonzero) digits is 20160, while the sum is 39.

The spelling of 111722105982 in words is "one hundred eleven billion, seven hundred twenty-two million, one hundred five thousand, nine hundred eighty-two".