2021122011000 has 64 divisors (see below), whose sum is σ = 6305900683680. Its totient is φ = 538965868800.

The previous prime is 2021122010983. The next prime is 2021122011011. The reversal of 2021122011000 is 1102211202.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 336850669 + ... + 336856668.

Almost surely, 2^{2021122011000} is an apocalyptic number.

2021122011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021122011000 is an abundant number, since it is smaller than the sum of its proper divisors (4284778672680).

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

2021122011000 is a wasteful number, since it uses less digits than its factorization.

2021122011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673707361 (or 673707347 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2021122011000 its reverse (1102211202), we get a palindrome (2022224222202).

The spelling of 2021122011000 in words is "two trillion, twenty-one billion, one hundred twenty-two million, eleven thousand".