102430124032021 has 2 divisors, whose sum is σ = 102430124032022. Its totient is φ = 102430124032020.

The previous prime is 102430124031997. The next prime is 102430124032079. The reversal of 102430124032021 is 120230421034201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69021435031396 + 33408689000625 = 8307914^2 + 5780025^2 .

It is a cyclic number.

It is not a de Polignac number, because 102430124032021 - 2¹¹ = 102430124029973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102430124032091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51215062016010 + 51215062016011.

It is an arithmetic number, because the mean of its divisors is an integer number (51215062016011).

Almost surely, 2^{102430124032021} is an apocalyptic number.

It is an amenable number.

102430124032021 is a deficient number, since it is larger than the sum of its proper divisors (1).

102430124032021 is an equidigital number, since it uses as much as digits as its factorization.

102430124032021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 102430124032021 its reverse (120230421034201), we get a palindrome (222660545066222).

The spelling of 102430124032021 in words is "one hundred two trillion, four hundred thirty billion, one hundred twenty-four million, thirty-two thousand, twenty-one".