111374093221 has 2 divisors, whose sum is σ = 111374093222. Its totient is φ = 111374093220.

The previous prime is 111374093197. The next prime is 111374093249. The reversal of 111374093221 is 122390473111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104810825025 + 6563268196 = 323745^2 + 81014^2 .

It is a cyclic number.

It is not a de Polignac number, because 111374093221 - 2⁵ = 111374093189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111374093291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55687046610 + 55687046611.

It is an arithmetic number, because the mean of its divisors is an integer number (55687046611).

Almost surely, 2^111374093221 is an apocalyptic number.

It is an amenable number.

111374093221 is a deficient number, since it is larger than the sum of its proper divisors (1).

111374093221 is an equidigital number, since it uses as much as digits as its factorization.

111374093221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 111374093221 in words is "one hundred eleven billion, three hundred seventy-four million, ninety-three thousand, two hundred twenty-one".