22100010111 has 10 divisors (see below), whose sum is σ = 33013595472. Its totient is φ = 14733340020.

The previous prime is 22100010109. The next prime is 22100010173. The reversal of 22100010111 is 11101000122.

It is a happy number.

It is not a de Polignac number, because 22100010111 - 2¹ = 22100010109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22100010093 and 22100010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100010011) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 136419735 + ... + 136419896.

Almost surely, 2^22100010111 is an apocalyptic number.

22100010111 is a deficient number, since it is larger than the sum of its proper divisors (10913585361).

22100010111 is an equidigital number, since it uses as much as digits as its factorization.

22100010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272839643 (or 272839634 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 22100010111 its reverse (11101000122), we get a palindrome (33201010233).

The spelling of 22100010111 in words is "twenty-two billion, one hundred million, ten thousand, one hundred eleven".