2112211012020 has 48 divisors (see below), whose sum is σ = 5915243564160. Its totient is φ = 563156009856.

The previous prime is 2112211012001. The next prime is 2112211012049. The reversal of 2112211012020 is 202101122112.

It is a super-2 number, since 2×2112211012020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2792935 + ... + 3467694.

It is an arithmetic number, because the mean of its divisors is an integer number (123234240920).

Almost surely, 2^{2112211012020} is an apocalyptic number.

2112211012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112211012020 is an abundant number, since it is smaller than the sum of its proper divisors (3803032552140).

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

2112211012020 is a wasteful number, since it uses less digits than its factorization.

2112211012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6266264 (or 6266262 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112211012020 its reverse (202101122112), we get a palindrome (2314312134132).

The spelling of 2112211012020 in words is "two trillion, one hundred twelve billion, two hundred eleven million, twelve thousand, twenty".