111320232201 has 32 divisors (see below), whose sum is σ = 177226289280. Its totient is φ = 68805462528.

The previous prime is 111320232173. The next prime is 111320232209. The reversal of 111320232201 is 102232023111.

111320232201 is a `hidden beast` number, since 111 + 320 + 2 + 32 + 201 = 666.

It is not a de Polignac number, because 111320232201 - 2¹⁴ = 111320215817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111320232209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1779156 + ... + 1840661.

It is an arithmetic number, because the mean of its divisors is an integer number (5538321540).

Almost surely, 2^111320232201 is an apocalyptic number.

It is an amenable number.

111320232201 is a deficient number, since it is larger than the sum of its proper divisors (65906057079).

111320232201 is a wasteful number, since it uses less digits than its factorization.

111320232201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619910 (or 3619904 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 111320232201 its reverse (102232023111), we get a palindrome (213552255312).

The spelling of 111320232201 in words is "one hundred eleven billion, three hundred twenty million, two hundred thirty-two thousand, two hundred one".