220211112112 has 20 divisors (see below), whose sum is σ = 426668429320. Its totient is φ = 110103130368.

The previous prime is 220211112083. The next prime is 220211112113. The reversal of 220211112112 is 211211112022.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (220211112113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765448 + ... + 1013080.

It is an arithmetic number, because the mean of its divisors is an integer number (21333421466).

Almost surely, 2^220211112112 is an apocalyptic number.

It is an amenable number.

220211112112 is a deficient number, since it is larger than the sum of its proper divisors (206457317208).

220211112112 is a wasteful number, since it uses less digits than its factorization.

220211112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303220 (or 303214 counting only the distinct ones).

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

Adding to 220211112112 its reverse (211211112022), we get a palindrome (431422224134).

The spelling of 220211112112 in words is "two hundred twenty billion, two hundred eleven million, one hundred twelve thousand, one hundred twelve".