120002102131 has 2 divisors, whose sum is σ = 120002102132. Its totient is φ = 120002102130.

The previous prime is 120002102093. The next prime is 120002102141. The reversal of 120002102131 is 131201200021.

It is a strong prime.

It is an emirp because it is prime and its reverse (131201200021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120002102131 - 2²⁷ = 119867884403 is a prime.

It is a super-2 number, since 2×120002102131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120002102141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60001051065 + 60001051066.

It is an arithmetic number, because the mean of its divisors is an integer number (60001051066).

Almost surely, 2^120002102131 is an apocalyptic number.

120002102131 is a deficient number, since it is larger than the sum of its proper divisors (1).

120002102131 is an equidigital number, since it uses as much as digits as its factorization.

120002102131 is an evil number, because the sum of its binary digits is even.

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

Adding to 120002102131 its reverse (131201200021), we get a palindrome (251203302152).

The spelling of 120002102131 in words is "one hundred twenty billion, two million, one hundred two thousand, one hundred thirty-one".