111111111122093 has 2 divisors, whose sum is σ = 111111111122094. Its totient is φ = 111111111122092.

The previous prime is 111111111122087. The next prime is 111111111122161. The reversal of 111111111122093 is 390221111111111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110978366029129 + 132745092964 = 10534627^2 + 364342^2 .

It is a cyclic number.

It is not a de Polignac number, because 111111111122093 - 2³⁰ = 111110037380269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111111111142093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555555561046 + 55555555561047.

It is an arithmetic number, because the mean of its divisors is an integer number (55555555561047).

Almost surely, 2^{111111111122093} is an apocalyptic number.

It is an amenable number.

111111111122093 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111111122093 is an equidigital number, since it uses as much as digits as its factorization.

111111111122093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 26.

The spelling of 111111111122093 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred eleven million, one hundred twenty-two thousand, ninety-three".