111720456222 has 32 divisors (see below), whose sum is σ = 223766196864. Its totient is φ = 37185976800.

The previous prime is 111720456181. The next prime is 111720456227. The reversal of 111720456222 is 222654027111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111720456227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21873393 + ... + 21878499.

It is an arithmetic number, because the mean of its divisors is an integer number (6992693652).

Almost surely, 2^111720456222 is an apocalyptic number.

111720456222 is an abundant number, since it is smaller than the sum of its proper divisors (112045740642).

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

111720456222 is a wasteful number, since it uses less digits than its factorization.

111720456222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9704.

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 111720456222 in words is "one hundred eleven billion, seven hundred twenty million, four hundred fifty-six thousand, two hundred twenty-two".