2021131340202 has 64 divisors (see below), whose sum is σ = 4418674565760. Its totient is φ = 612535993344.

The previous prime is 2021131340171. The next prime is 2021131340237. The reversal of 2021131340202 is 2020431311202.

It is a super-2 number, since 2×2021131340202² (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 31 ways as a sum of consecutive naturals, for example, 65586574 + ... + 65617382.

It is an arithmetic number, because the mean of its divisors is an integer number (69041790090).

Almost surely, 2^{2021131340202} is an apocalyptic number.

2021131340202 is an abundant number, since it is smaller than the sum of its proper divisors (2397543225558).

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

2021131340202 is a wasteful number, since it uses less digits than its factorization.

2021131340202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43447.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2021131340202 its reverse (2020431311202), we get a palindrome (4041562651404).

The spelling of 2021131340202 in words is "two trillion, twenty-one billion, one hundred thirty-one million, three hundred forty thousand, two hundred two".