22102102221111 has 96 divisors (see below), whose sum is σ = 35235144322560. Its totient is φ = 13239594873600.

The previous prime is 22102102221079. The next prime is 22102102221161. The reversal of 22102102221111 is 11112220120122.

22102102221111 is a `hidden beast` number, since 2 + 210 + 210 + 22 + 211 + 11 = 666.

It is not a de Polignac number, because 22102102221111 - 2⁵ = 22102102221079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102102221161) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2072002000 + ... + 2072012666.

It is an arithmetic number, because the mean of its divisors is an integer number (367032753360).

Almost surely, 2^{22102102221111} is an apocalyptic number.

22102102221111 is a deficient number, since it is larger than the sum of its proper divisors (13133042101449).

22102102221111 is a wasteful number, since it uses less digits than its factorization.

22102102221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11557 (or 11554 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22102102221111 its reverse (11112220120122), we get a palindrome (33214322341233).

The spelling of 22102102221111 in words is "twenty-two trillion, one hundred two billion, one hundred two million, two hundred twenty-one thousand, one hundred eleven".