20201012112122 has 32 divisors (see below), whose sum is σ = 30693358155600. Its totient is φ = 9970440634368.

The previous prime is 20201012112101. The next prime is 20201012112137. The reversal of 20201012112122 is 22121121010202.

It can be written as a sum of positive squares in 8 ways, for example, as 7566620061001 + 12634392051121 = 2750749^2 + 3554489^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20201012112122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683074928 + ... + 683104500.

Almost surely, 2^{20201012112122} is an apocalyptic number.

20201012112122 is a deficient number, since it is larger than the sum of its proper divisors (10492346043478).

20201012112122 is a wasteful number, since it uses less digits than its factorization.

20201012112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38690.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20201012112122 its reverse (22121121010202), we get a palindrome (42322133122324).

The spelling of 20201012112122 in words is "twenty trillion, two hundred one billion, twelve million, one hundred twelve thousand, one hundred twenty-two".