2123300302021 has 2 divisors, whose sum is σ = 2123300302022. Its totient is φ = 2123300302020.

The previous prime is 2123300302009. The next prime is 2123300302033. The reversal of 2123300302021 is 1202030033212.

It is a balanced prime because it is at equal distance from previous prime (2123300302009) and next prime (2123300302033).

It can be written as a sum of positive squares in only one way, i.e., 1691534348100 + 431765953921 = 1300590^2 + 657089^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123300302021 - 2⁵ = 2123300301989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2123300302021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123300306021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061650151010 + 1061650151011.

It is an arithmetic number, because the mean of its divisors is an integer number (1061650151011).

Almost surely, 2^{2123300302021} is an apocalyptic number.

It is an amenable number.

2123300302021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123300302021 is an equidigital number, since it uses as much as digits as its factorization.

2123300302021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2123300302021 its reverse (1202030033212), we get a palindrome (3325330335233).

The spelling of 2123300302021 in words is "two trillion, one hundred twenty-three billion, three hundred million, three hundred two thousand, twenty-one".