120002021131 has 12 divisors (see below), whose sum is σ = 126671810664. Its totient is φ = 113666846400.

The previous prime is 120002021129. The next prime is 120002021149. The reversal of 120002021131 is 131120200021.

It is not a de Polignac number, because 120002021131 - 2¹ = 120002021129 is a prime.

It is a super-2 number, since 2×120002021131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120002021101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2390611 + ... + 2440291.

It is an arithmetic number, because the mean of its divisors is an integer number (10555984222).

Almost surely, 2^120002021131 is an apocalyptic number.

120002021131 is a deficient number, since it is larger than the sum of its proper divisors (6669789533).

120002021131 is an equidigital number, since it uses as much as digits as its factorization.

120002021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56410 (or 56391 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120002021131 its reverse (131120200021), we get a palindrome (251122221152).

The spelling of 120002021131 in words is "one hundred twenty billion, two million, twenty-one thousand, one hundred thirty-one".