222110111091 has 16 divisors (see below), whose sum is σ = 324356393088. Its totient is φ = 134075880000.

The previous prime is 222110111071. The next prime is 222110111123. The reversal of 222110111091 is 190111011222.

It is not a de Polignac number, because 222110111091 - 2¹¹ = 222110109043 is a prime.

It is a super-2 number, since 2×222110111091² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222110111071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13399306 + ... + 13415871.

It is an arithmetic number, because the mean of its divisors is an integer number (20272274568).

Almost surely, 2^222110111091 is an apocalyptic number.

222110111091 is a deficient number, since it is larger than the sum of its proper divisors (102246281997).

222110111091 is a wasteful number, since it uses less digits than its factorization.

222110111091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26815442.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 222110111091 in words is "two hundred twenty-two billion, one hundred ten million, one hundred eleven thousand, ninety-one".