20210133312021 has 16 divisors (see below), whose sum is σ = 27641743698240. Its totient is φ = 13126869214080.

The previous prime is 20210133312011. The next prime is 20210133312077. The reversal of 20210133312021 is 12021333101202.

It is not a de Polignac number, because 20210133312021 - 2²³ = 20210124923413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210133312011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111990351 + ... + 112170668.

It is an arithmetic number, because the mean of its divisors is an integer number (1727608981140).

Almost surely, 2^{20210133312021} is an apocalyptic number.

It is an amenable number.

20210133312021 is a deficient number, since it is larger than the sum of its proper divisors (7431610386219).

20210133312021 is a wasteful number, since it uses less digits than its factorization.

20210133312021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224161796.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20210133312021 its reverse (12021333101202), we get a palindrome (32231466413223).

The spelling of 20210133312021 in words is "twenty trillion, two hundred ten billion, one hundred thirty-three million, three hundred twelve thousand, twenty-one".