111311233201 has 4 divisors (see below), whose sum is σ = 127212837952. Its totient is φ = 95409628452.

The previous prime is 111311233153. The next prime is 111311233211. The reversal of 111311233201 is 102332113111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111311233201 - 2⁷ = 111311233073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111311233211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7950802365 + ... + 7950802378.

It is an arithmetic number, because the mean of its divisors is an integer number (31803209488).

Almost surely, 2^111311233201 is an apocalyptic number.

It is an amenable number.

111311233201 is a deficient number, since it is larger than the sum of its proper divisors (15901604751).

111311233201 is an equidigital number, since it uses as much as digits as its factorization.

111311233201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15901604750.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111311233201 its reverse (102332113111), we get a palindrome (213643346312).

The spelling of 111311233201 in words is "one hundred eleven billion, three hundred eleven million, two hundred thirty-three thousand, two hundred one".