120021002131131 has 48 divisors (see below), whose sum is σ = 182896249536000. Its totient is φ = 78630079550688.

The previous prime is 120021002131111. The next prime is 120021002131141. The reversal of 120021002131131 is 131131200120021.

120021002131131 is a `hidden beast` number, since 1 + 200 + 2 + 100 + 21 + 311 + 31 = 666.

It is not a de Polignac number, because 120021002131131 - 2⁵ = 120021002131099 is a prime.

It is a super-2 number, since 2×120021002131131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120021002131111) 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 47 ways as a sum of consecutive naturals, for example, 39198670 + ... + 42149468.

It is an arithmetic number, because the mean of its divisors is an integer number (3810338532000).

Almost surely, 2^{120021002131131} is an apocalyptic number.

120021002131131 is a deficient number, since it is larger than the sum of its proper divisors (62875247404869).

120021002131131 is an equidigital number, since it uses as much as digits as its factorization.

120021002131131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953710 (or 2953698 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 120021002131131 its reverse (131131200120021), we get a palindrome (251152202251152).

The spelling of 120021002131131 in words is "one hundred twenty trillion, twenty-one billion, two million, one hundred thirty-one thousand, one hundred thirty-one".