10122113112020 has 72 divisors (see below), whose sum is σ = 26628943758984. Its totient is φ = 3203481947904.

The previous prime is 10122113111987. The next prime is 10122113112029. The reversal of 10122113112020 is 2021131122101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 566509118224 + 9555603993796 = 752668^2 + 3091214^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10122113112020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122113112029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397244447 + ... + 397269926.

It is an arithmetic number, because the mean of its divisors is an integer number (369846441097).

Almost surely, 2^{10122113112020} is an apocalyptic number.

10122113112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10122113112020 is an abundant number, since it is smaller than the sum of its proper divisors (16506830646964).

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

10122113112020 is a wasteful number, since it uses less digits than its factorization.

10122113112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794514409 (or 794514400 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10122113112020 its reverse (2021131122101), we get a palindrome (12143244234121).

The spelling of 10122113112020 in words is "ten trillion, one hundred twenty-two billion, one hundred thirteen million, one hundred twelve thousand, twenty".