9111012102139 has 2 divisors, whose sum is σ = 9111012102140. Its totient is φ = 9111012102138.

The previous prime is 9111012102089. The next prime is 9111012102217. The reversal of 9111012102139 is 9312012101119.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9111012102139 - 2¹⁹ = 9111011577851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9111012102139.

It is not a weakly prime, because it can be changed into another prime (9111012102739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4555506051069 + 4555506051070.

It is an arithmetic number, because the mean of its divisors is an integer number (4555506051070).

Almost surely, 2^{9111012102139} is an apocalyptic number.

9111012102139 is a deficient number, since it is larger than the sum of its proper divisors (1).

9111012102139 is an equidigital number, since it uses as much as digits as its factorization.

9111012102139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 31.

The spelling of 9111012102139 in words is "nine trillion, one hundred eleven billion, twelve million, one hundred two thousand, one hundred thirty-nine".