2300202320021 has 2 divisors, whose sum is σ = 2300202320022. Its totient is φ = 2300202320020.

The previous prime is 2300202319979. The next prime is 2300202320041. The reversal of 2300202320021 is 1200232020032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1642270443121 + 657931876900 = 1281511^2 + 811130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2300202320021 is a prime.

It is a super-3 number, since 3×2300202320021³ (a number of 38 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2300202320041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1150101160010 + 1150101160011.

It is an arithmetic number, because the mean of its divisors is an integer number (1150101160011).

Almost surely, 2^{2300202320021} is an apocalyptic number.

It is an amenable number.

2300202320021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2300202320021 is an equidigital number, since it uses as much as digits as its factorization.

2300202320021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 2300202320021 its reverse (1200232020032), we get a palindrome (3500434340053).

The spelling of 2300202320021 in words is "two trillion, three hundred billion, two hundred two million, three hundred twenty thousand, twenty-one".