10131210111020 has 24 divisors (see below), whose sum is σ = 21277539196368. Its totient is φ = 4052103480000.

The previous prime is 10131210111017. The next prime is 10131210111157. The reversal of 10131210111020 is 2011101213101.

It is a junction number, because it is equal to n+sod(n) for n = 10131210110986 and 10131210111004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23566931 + ... + 23992970.

It is an arithmetic number, because the mean of its divisors is an integer number (886564133182).

Almost surely, 2^{10131210111020} is an apocalyptic number.

10131210111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10131210111020 is an abundant number, since it is smaller than the sum of its proper divisors (11146329085348).

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

10131210111020 is a wasteful number, since it uses less digits than its factorization.

10131210111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47570561 (or 47570559 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 10131210111020 its reverse (2011101213101), we get a palindrome (12142311324121).

The spelling of 10131210111020 in words is "ten trillion, one hundred thirty-one billion, two hundred ten million, one hundred eleven thousand, twenty".