222311231120 has 80 divisors (see below), whose sum is σ = 563974028352. Its totient is φ = 80824404480.

The previous prime is 222311231117. The next prime is 222311231141. The reversal of 222311231120 is 21132113222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222311231092 and 222311231101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4978814 + ... + 5023266.

Almost surely, 2^222311231120 is an apocalyptic number.

222311231120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222311231120 is an abundant number, since it is smaller than the sum of its proper divisors (341662797232).

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

222311231120 is a wasteful number, since it uses less digits than its factorization.

222311231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50160 (or 50154 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 222311231120 its reverse (21132113222), we get a palindrome (243443344342).

The spelling of 222311231120 in words is "two hundred twenty-two billion, three hundred eleven million, two hundred thirty-one thousand, one hundred twenty".