111375442275101 has 2 divisors, whose sum is σ = 111375442275102. Its totient is φ = 111375442275100.

The previous prime is 111375442275061. The next prime is 111375442275137. The reversal of 111375442275101 is 101572244573111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61212644470201 + 50162797804900 = 7823851^2 + 7082570^2 .

It is a cyclic number.

It is not a de Polignac number, because 111375442275101 - 2³⁴ = 111358262405917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111375442275151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55687721137550 + 55687721137551.

It is an arithmetic number, because the mean of its divisors is an integer number (55687721137551).

Almost surely, 2^{111375442275101} is an apocalyptic number.

It is an amenable number.

111375442275101 is a deficient number, since it is larger than the sum of its proper divisors (1).

111375442275101 is an equidigital number, since it uses as much as digits as its factorization.

111375442275101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 44.

The spelling of 111375442275101 in words is "one hundred eleven trillion, three hundred seventy-five billion, four hundred forty-two million, two hundred seventy-five thousand, one hundred one".