2020113100021 has 16 divisors (see below), whose sum is σ = 2048301077760. Its totient is φ = 1991992204800.

The previous prime is 2020113100003. The next prime is 2020113100091. The reversal of 2020113100021 is 1200013110202.

It is not a de Polignac number, because 2020113100021 - 2¹⁵ = 2020113067253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020113099974 and 2020113100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020113100091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357476046 + ... + 357481696.

It is an arithmetic number, because the mean of its divisors is an integer number (128018817360).

Almost surely, 2^{2020113100021} is an apocalyptic number.

It is an amenable number.

2020113100021 is a deficient number, since it is larger than the sum of its proper divisors (28187977739).

2020113100021 is a wasteful number, since it uses less digits than its factorization.

2020113100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10716.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2020113100021 its reverse (1200013110202), we get a palindrome (3220126210223).

The spelling of 2020113100021 in words is "two trillion, twenty billion, one hundred thirteen million, one hundred thousand, twenty-one".