220111221112 has 32 divisors (see below), whose sum is σ = 416636680320. Its totient is φ = 109008458080.

The previous prime is 220111221107. The next prime is 220111221167. The reversal of 220111221112 is 211122111022.

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, 5948733 + ... + 5985619.

It is an arithmetic number, because the mean of its divisors is an integer number (13019896260).

Almost surely, 2^220111221112 is an apocalyptic number.

It is an amenable number.

220111221112 is a deficient number, since it is larger than the sum of its proper divisors (196525459208).

220111221112 is a wasteful number, since it uses less digits than its factorization.

220111221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43971 (or 43967 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220111221112 its reverse (211122111022), we get a palindrome (431233332134).

The spelling of 220111221112 in words is "two hundred twenty billion, one hundred eleven million, two hundred twenty-one thousand, one hundred twelve".