13101220231112 has 16 divisors (see below), whose sum is σ = 26454387005340. Its totient is φ = 6046717029696.

The previous prime is 13101220231111. The next prime is 13101220231117. The reversal of 13101220231112 is 21113202210131.

It can be written as a sum of positive squares in 2 ways, for example, as 11924355423556 + 1176864807556 = 3453166^2 + 1084834^2 .

It is not an unprimeable number, because it can be changed into a prime (13101220231111) 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, 62986635623 + ... + 62986635830.

Almost surely, 2^{13101220231112} is an apocalyptic number.

It is an amenable number.

13101220231112 is an abundant number, since it is smaller than the sum of its proper divisors (13353166774228).

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

13101220231112 is a wasteful number, since it uses less digits than its factorization.

13101220231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125973271472 (or 125973271468 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 13101220231112 its reverse (21113202210131), we get a palindrome (34214422441243).

The spelling of 13101220231112 in words is "thirteen trillion, one hundred one billion, two hundred twenty million, two hundred thirty-one thousand, one hundred twelve".