10323111331021 has 2 divisors, whose sum is σ = 10323111331022. Its totient is φ = 10323111331020.

The previous prime is 10323111331009. The next prime is 10323111331073. The reversal of 10323111331021 is 12013311132301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8014957344900 + 2308153986121 = 2831070^2 + 1519261^2 .

It is a cyclic number.

It is not a de Polignac number, because 10323111331021 - 2²¹ = 10323109233869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10323111330983 and 10323111331001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10323111331121) 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, 5161555665510 + 5161555665511.

It is an arithmetic number, because the mean of its divisors is an integer number (5161555665511).

Almost surely, 2^{10323111331021} is an apocalyptic number.

It is an amenable number.

10323111331021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10323111331021 is an equidigital number, since it uses as much as digits as its factorization.

10323111331021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 10323111331021 its reverse (12013311132301), we get a palindrome (22336422463322).

The spelling of 10323111331021 in words is "ten trillion, three hundred twenty-three billion, one hundred eleven million, three hundred thirty-one thousand, twenty-one".