22102110111111 has 16 divisors (see below), whose sum is σ = 31203091245024. Its totient is φ = 13867940762624.

The previous prime is 22102110111097. The next prime is 22102110111113. The reversal of 22102110111111 is 11111101120122.

It is a cyclic number.

It is not a de Polignac number, because 22102110111111 - 2³⁰ = 22101036369287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102110111113) 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 15 ways as a sum of consecutive naturals, for example, 17861995 + ... + 19059251.

It is an arithmetic number, because the mean of its divisors is an integer number (1950193202814).

Almost surely, 2^{22102110111111} is an apocalyptic number.

22102110111111 is a deficient number, since it is larger than the sum of its proper divisors (9100981133913).

22102110111111 is a wasteful number, since it uses less digits than its factorization.

22102110111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559250.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 22102110111111 its reverse (11111101120122), we get a palindrome (33213211231233).

The spelling of 22102110111111 in words is "twenty-two trillion, one hundred two billion, one hundred ten million, one hundred eleven thousand, one hundred eleven".