111122111202201 has 24 divisors (see below), whose sum is σ = 175104541747200. Its totient is φ = 67345567452000.

The previous prime is 111122111202187. The next prime is 111122111202253. The reversal of 111122111202201 is 102202111221111.

It is a happy number.

111122111202201 is a `hidden beast` number, since 1 + 1 + 112 + 211 + 120 + 220 + 1 = 666.

It is not a de Polignac number, because 111122111202201 - 2⁵ = 111122111202169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111122111202281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3960601 + ... + 15424998.

It is an arithmetic number, because the mean of its divisors is an integer number (7296022572800).

Almost surely, 2^{111122111202201} is an apocalyptic number.

111122111202201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111122111202201 is a deficient number, since it is larger than the sum of its proper divisors (63982430544999).

111122111202201 is a wasteful number, since it uses less digits than its factorization.

111122111202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19443517 (or 19443514 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111122111202201 its reverse (102202111221111), we get a palindrome (213324222423312).

The spelling of 111122111202201 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred eleven million, two hundred two thousand, two hundred one".