2113321211020 has 24 divisors (see below), whose sum is σ = 4440725990064. Its totient is φ = 844804399296.

The previous prime is 2113321211011. The next prime is 2113321211041. The reversal of 2113321211020 is 201121233112.

It is a super-2 number, since 2×2113321211020² (a number of 25 digits) contains 22 as substring.

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, 32722254 + ... + 32786773.

It is an arithmetic number, because the mean of its divisors is an integer number (185030249586).

Almost surely, 2^{2113321211020} is an apocalyptic number.

2113321211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113321211020 is an abundant number, since it is smaller than the sum of its proper divisors (2327404779044).

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

2113321211020 is a wasteful number, since it uses less digits than its factorization.

2113321211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65510649 (or 65510647 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2113321211020 its reverse (201121233112), we get a palindrome (2314442444132).

The spelling of 2113321211020 in words is "two trillion, one hundred thirteen billion, three hundred twenty-one million, two hundred eleven thousand, twenty".