232000003121021 has 2 divisors, whose sum is σ = 232000003121022. Its totient is φ = 232000003121020.

The previous prime is 232000003120987. The next prime is 232000003121027. The reversal of 232000003121021 is 120121300000232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125918448952921 + 106081554168100 = 11221339^2 + 10299590^2 .

It is a cyclic number.

It is not a de Polignac number, because 232000003121021 - 2⁴² = 227601956609917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232000003121027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116000001560510 + 116000001560511.

It is an arithmetic number, because the mean of its divisors is an integer number (116000001560511).

Almost surely, 2^{232000003121021} is an apocalyptic number.

It is an amenable number.

232000003121021 is a deficient number, since it is larger than the sum of its proper divisors (1).

232000003121021 is an equidigital number, since it uses as much as digits as its factorization.

232000003121021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 232000003121021 its reverse (120121300000232), we get a palindrome (352121303121253).

The spelling of 232000003121021 in words is "two hundred thirty-two trillion, three million, one hundred twenty-one thousand, twenty-one".