22101110111 has 6 divisors (see below), whose sum is σ = 22416782736. Its totient is φ = 21789821900.

The previous prime is 22101110039. The next prime is 22101110123. The reversal of 22101110111 is 11101110122.

It is not a de Polignac number, because 22101110111 - 2²² = 22096915807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22101110092 and 22101110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101110191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2187095 + ... + 2197176.

It is an arithmetic number, because the mean of its divisors is an integer number (3736130456).

Almost surely, 2^22101110111 is an apocalyptic number.

22101110111 is a deficient number, since it is larger than the sum of its proper divisors (315672625).

22101110111 is an frugal number, since it uses more digits than its factorization.

22101110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384413 (or 4384342 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 22101110111 its sum of digits (11), we get a palindrome (22101110122).

Adding to 22101110111 its reverse (11101110122), we get a palindrome (33202220233).

The spelling of 22101110111 in words is "twenty-two billion, one hundred one million, one hundred ten thousand, one hundred eleven".