111122331201 has 96 divisors (see below), whose sum is σ = 190643072256. Its totient is φ = 61056000000.

The previous prime is 111122331197. The next prime is 111122331209. The reversal of 111122331201 is 102133221111.

111122331201 is a `hidden beast` number, since 1 + 11 + 122 + 331 + 201 = 666.

It is not a de Polignac number, because 111122331201 - 2² = 111122331197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111122331209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 65480785 + ... + 65482481.

It is an arithmetic number, because the mean of its divisors is an integer number (1985865336).

Almost surely, 2^111122331201 is an apocalyptic number.

It is an amenable number.

111122331201 is a deficient number, since it is larger than the sum of its proper divisors (79520741055).

111122331201 is a wasteful number, since it uses less digits than its factorization.

111122331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111122331201 its reverse (102133221111), we get a palindrome (213255552312).

The spelling of 111122331201 in words is "one hundred eleven billion, one hundred twenty-two million, three hundred thirty-one thousand, two hundred one".