2052106572021 has 32 divisors (see below), whose sum is σ = 3009479616000. Its totient is φ = 1233477430080.

The previous prime is 2052106572001. The next prime is 2052106572097. The reversal of 2052106572021 is 1202756012502.

It is not a de Polignac number, because 2052106572021 - 2²⁶ = 2052039463157 is a prime.

It is a super-2 number, since 2×2052106572021² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052106572001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2923650 + ... + 3556956.

It is an arithmetic number, because the mean of its divisors is an integer number (94046238000).

Almost surely, 2^{2052106572021} is an apocalyptic number.

It is an amenable number.

2052106572021 is a deficient number, since it is larger than the sum of its proper divisors (957373043979).

2052106572021 is a wasteful number, since it uses less digits than its factorization.

2052106572021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634129.

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 2052106572021 in words is "two trillion, fifty-two billion, one hundred six million, five hundred seventy-two thousand, twenty-one".