220201120212112 has 80 divisors (see below), whose sum is σ = 460501231503600. Its totient is φ = 101400568528896.

The previous prime is 220201120212097. The next prime is 220201120212131. The reversal of 220201120212112 is 211212021102022.

It can be written as a sum of positive squares in 8 ways, for example, as 22799631810816 + 197401488401296 = 4774896^2 + 14049964^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220201120212112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3355821928 + ... + 3355887544.

It is an arithmetic number, because the mean of its divisors is an integer number (5756265393795).

Almost surely, 2^{220201120212112} is an apocalyptic number.

It is an amenable number.

220201120212112 is an abundant number, since it is smaller than the sum of its proper divisors (240300111291488).

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

220201120212112 is a wasteful number, since it uses less digits than its factorization.

220201120212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102020 (or 102014 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220201120212112 its reverse (211212021102022), we get a palindrome (431413141314134).

The spelling of 220201120212112 in words is "two hundred twenty trillion, two hundred one billion, one hundred twenty million, two hundred twelve thousand, one hundred twelve".