10122021139 has 2 divisors, whose sum is σ = 10122021140. Its totient is φ = 10122021138.

The previous prime is 10122021109. The next prime is 10122021157. The reversal of 10122021139 is 93112022101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10122021139 - 2⁷ = 10122021011 is a prime.

It is not a weakly prime, because it can be changed into another prime (10122021109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061010569 + 5061010570.

It is an arithmetic number, because the mean of its divisors is an integer number (5061010570).

Almost surely, 2^10122021139 is an apocalyptic number.

10122021139 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122021139 is an equidigital number, since it uses as much as digits as its factorization.

10122021139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 10122021139 in words is "ten billion, one hundred twenty-two million, twenty-one thousand, one hundred thirty-nine".