111122200013897 has 2 divisors, whose sum is σ = 111122200013898. Its totient is φ = 111122200013896.

The previous prime is 111122200013873. The next prime is 111122200013911. The reversal of 111122200013897 is 798310002221111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83805437829961 + 27316762183936 = 9154531^2 + 5226544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111122200013897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111122200013897.

It is not a weakly prime, because it can be changed into another prime (111122200018897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561100006948 + 55561100006949.

It is an arithmetic number, because the mean of its divisors is an integer number (55561100006949).

Almost surely, 2^{111122200013897} is an apocalyptic number.

It is an amenable number.

111122200013897 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122200013897 is an equidigital number, since it uses as much as digits as its factorization.

111122200013897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 38.

The spelling of 111122200013897 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred million, thirteen thousand, eight hundred ninety-seven".