220131021223112 has 8 divisors (see below), whose sum is σ = 412745664793350. Its totient is φ = 110065510611552.

The previous prime is 220131021223051. The next prime is 220131021223177. The reversal of 220131021223112 is 211322120131022.

220131021223112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 132255658060516 + 87875363162596 = 11500246^2 + 9374186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13758188826437 + ... + 13758188826452.

Almost surely, 2^{220131021223112} is an apocalyptic number.

It is an amenable number.

220131021223112 is a deficient number, since it is larger than the sum of its proper divisors (192614643570238).

220131021223112 is a wasteful number, since it uses less digits than its factorization.

220131021223112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27516377652895 (or 27516377652891 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 220131021223112 its reverse (211322120131022), we get a palindrome (431453141354134).

The spelling of 220131021223112 in words is "two hundred twenty trillion, one hundred thirty-one billion, twenty-one million, two hundred twenty-three thousand, one hundred twelve".