10231421129 has 2 divisors, whose sum is σ = 10231421130. Its totient is φ = 10231421128.

The previous prime is 10231421119. The next prime is 10231421147. The reversal of 10231421129 is 92112413201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10171125904 + 60295225 = 100852^2 + 7765^2 .

It is a cyclic number.

It is not a de Polignac number, because 10231421129 - 2¹⁶ = 10231355593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10231421098 and 10231421107.

It is not a weakly prime, because it can be changed into another prime (10231421119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115710564 + 5115710565.

It is an arithmetic number, because the mean of its divisors is an integer number (5115710565).

Almost surely, 2^10231421129 is an apocalyptic number.

It is an amenable number.

10231421129 is a deficient number, since it is larger than the sum of its proper divisors (1).

10231421129 is an equidigital number, since it uses as much as digits as its factorization.

10231421129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 10231421129 in words is "ten billion, two hundred thirty-one million, four hundred twenty-one thousand, one hundred twenty-nine".