2310202012021 has 2 divisors, whose sum is σ = 2310202012022. Its totient is φ = 2310202012020.

The previous prime is 2310202012007. The next prime is 2310202012049. The reversal of 2310202012021 is 1202102020132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2199997931121 + 110204080900 = 1483239^2 + 331970^2 .

It is a cyclic number.

It is not a de Polignac number, because 2310202012021 - 2²⁵ = 2310168457589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2310202011986 and 2310202012004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2310202016021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155101006010 + 1155101006011.

It is an arithmetic number, because the mean of its divisors is an integer number (1155101006011).

Almost surely, 2^{2310202012021} is an apocalyptic number.

It is an amenable number.

2310202012021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2310202012021 is an equidigital number, since it uses as much as digits as its factorization.

2310202012021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2310202012021 its reverse (1202102020132), we get a palindrome (3512304032153).

The spelling of 2310202012021 in words is "two trillion, three hundred ten billion, two hundred two million, twelve thousand, twenty-one".