10332331421 has 2 divisors, whose sum is σ = 10332331422. Its totient is φ = 10332331420.

The previous prime is 10332331409. The next prime is 10332331447. The reversal of 10332331421 is 12413323301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9760452025 + 571879396 = 98795^2 + 23914^2 .

It is a cyclic number.

It is not a de Polignac number, because 10332331421 - 2⁶ = 10332331357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10332331721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5166165710 + 5166165711.

It is an arithmetic number, because the mean of its divisors is an integer number (5166165711).

Almost surely, 2^10332331421 is an apocalyptic number.

It is an amenable number.

10332331421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10332331421 is an equidigital number, since it uses as much as digits as its factorization.

10332331421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 10332331421 its reverse (12413323301), we get a palindrome (22745654722).

The spelling of 10332331421 in words is "ten billion, three hundred thirty-two million, three hundred thirty-one thousand, four hundred twenty-one".