220112222211 has 24 divisors (see below), whose sum is σ = 363508969824. Its totient is φ = 125726797440.

The previous prime is 220112222207. The next prime is 220112222249. The reversal of 220112222211 is 112222211022.

It is a happy number.

220112222211 is a `hidden beast` number, since 220 + 1 + 1 + 222 + 221 + 1 = 666.

It is not a de Polignac number, because 220112222211 - 2² = 220112222207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220112222251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 561876 + ... + 869441.

It is an arithmetic number, because the mean of its divisors is an integer number (15146207076).

Almost surely, 2^220112222211 is an apocalyptic number.

220112222211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

220112222211 is a deficient number, since it is larger than the sum of its proper divisors (143396747613).

220112222211 is a wasteful number, since it uses less digits than its factorization.

220112222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433771 (or 1433768 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220112222211 its reverse (112222211022), we get a palindrome (332334433233).

The spelling of 220112222211 in words is "two hundred twenty billion, one hundred twelve million, two hundred twenty-two thousand, two hundred eleven".