111230033209 has 2 divisors, whose sum is σ = 111230033210. Its totient is φ = 111230033208.

The previous prime is 111230033207. The next prime is 111230033231. The reversal of 111230033209 is 902330032111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107078163984 + 4151869225 = 327228^2 + 64435^2 .

It is a cyclic number.

It is not a de Polignac number, because 111230033209 - 2¹ = 111230033207 is a prime.

Together with 111230033207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (111230033207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55615016604 + 55615016605.

It is an arithmetic number, because the mean of its divisors is an integer number (55615016605).

Almost surely, 2^111230033209 is an apocalyptic number.

It is an amenable number.

111230033209 is a deficient number, since it is larger than the sum of its proper divisors (1).

111230033209 is an equidigital number, since it uses as much as digits as its factorization.

111230033209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 111230033209 in words is "one hundred eleven billion, two hundred thirty million, thirty-three thousand, two hundred nine".