10122111499 has 2 divisors, whose sum is σ = 10122111500. Its totient is φ = 10122111498.

The previous prime is 10122111473. The next prime is 10122111523. The reversal of 10122111499 is 99411122101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10122111499 - 2⁷ = 10122111371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10122111499.

It is not a weakly prime, because it can be changed into another prime (10122141499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061055749 + 5061055750.

It is an arithmetic number, because the mean of its divisors is an integer number (5061055750).

Almost surely, 2^10122111499 is an apocalyptic number.

10122111499 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122111499 is an equidigital number, since it uses as much as digits as its factorization.

10122111499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 10122111499 in words is "ten billion, one hundred twenty-two million, one hundred eleven thousand, four hundred ninety-nine".