222231111201 has 12 divisors (see below), whose sum is σ = 350182357200. Its totient is φ = 134685521880.

The previous prime is 222231111191. The next prime is 222231111203. The reversal of 222231111201 is 102111132222.

222231111201 is a `hidden beast` number, since 222 + 231 + 1 + 11 + 201 = 666.

It is not a de Polignac number, because 222231111201 - 2³⁷ = 84792157729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222231111203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1122379251 + ... + 1122379448.

It is an arithmetic number, because the mean of its divisors is an integer number (29181863100).

Almost surely, 2^222231111201 is an apocalyptic number.

It is an amenable number.

222231111201 is a deficient number, since it is larger than the sum of its proper divisors (127951245999).

222231111201 is a wasteful number, since it uses less digits than its factorization.

222231111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244758716 (or 2244758713 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 222231111201 its reverse (102111132222), we get a palindrome (324342243423).

The spelling of 222231111201 in words is "two hundred twenty-two billion, two hundred thirty-one million, one hundred eleven thousand, two hundred one".