10122111959 has 2 divisors, whose sum is σ = 10122111960. Its totient is φ = 10122111958.

The previous prime is 10122111953. The next prime is 10122111991. The reversal of 10122111959 is 95911122101.

It is an a-pointer prime, because the next prime (10122111991) can be obtained adding 10122111959 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10122111959 - 2⁴ = 10122111943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10122111953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061055979 + 5061055980.

It is an arithmetic number, because the mean of its divisors is an integer number (5061055980).

Almost surely, 2^10122111959 is an apocalyptic number.

10122111959 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122111959 is an equidigital number, since it uses as much as digits as its factorization.

10122111959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 32.

The spelling of 10122111959 in words is "ten billion, one hundred twenty-two million, one hundred eleven thousand, nine hundred fifty-nine".