2021125572510 has 64 divisors (see below), whose sum is σ = 5292053236224. Its totient is φ = 489934742400.

The previous prime is 2021125572491. The next prime is 2021125572523. The reversal of 2021125572510 is 152755211202.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 4552095 + ... + 4976325.

It is an arithmetic number, because the mean of its divisors is an integer number (82688331816).

Almost surely, 2^{2021125572510} is an apocalyptic number.

2021125572510 is an abundant number, since it is smaller than the sum of its proper divisors (3270927663714).

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

2021125572510 is a wasteful number, since it uses less digits than its factorization.

2021125572510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438689.

The product of its (nonzero) digits is 14000, while the sum is 33.

The spelling of 2021125572510 in words is "two trillion, twenty-one billion, one hundred twenty-five million, five hundred seventy-two thousand, five hundred ten".