222111202113 has 64 divisors (see below), whose sum is σ = 342414293760. Its totient is φ = 142193088000.

The previous prime is 222111202091. The next prime is 222111202133. The reversal of 222111202113 is 311202111222.

It is not a de Polignac number, because 222111202113 - 2⁸ = 222111201857 is a prime.

It is a super-2 number, since 2×222111202113² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222111202133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19336870 + ... + 19348352.

It is an arithmetic number, because the mean of its divisors is an integer number (5350223340).

Almost surely, 2^222111202113 is an apocalyptic number.

It is an amenable number.

222111202113 is a deficient number, since it is larger than the sum of its proper divisors (120303091647).

222111202113 is a wasteful number, since it uses less digits than its factorization.

222111202113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11807 (or 11801 counting only the distinct ones).

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

Adding to 222111202113 its reverse (311202111222), we get a palindrome (533313313335).

The spelling of 222111202113 in words is "two hundred twenty-two billion, one hundred eleven million, two hundred two thousand, one hundred thirteen".