10302232021 has 2 divisors, whose sum is σ = 10302232022. Its totient is φ = 10302232020.

The previous prime is 10302232007. The next prime is 10302232063. The reversal of 10302232021 is 12023220301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9098488996 + 1203743025 = 95386^2 + 34695^2 .

It is a cyclic number.

It is not a de Polignac number, because 10302232021 - 2¹⁵ = 10302199253 is a prime.

It is a super-2 number, since 2×10302232021² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10302231986 and 10302232004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10302232921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151116010 + 5151116011.

It is an arithmetic number, because the mean of its divisors is an integer number (5151116011).

Almost surely, 2^10302232021 is an apocalyptic number.

It is an amenable number.

10302232021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10302232021 is an equidigital number, since it uses as much as digits as its factorization.

10302232021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10302232021 its reverse (12023220301), we get a palindrome (22325452322).

The spelling of 10302232021 in words is "ten billion, three hundred two million, two hundred thirty-two thousand, twenty-one".