22100111022 has 64 divisors (see below), whose sum is σ = 51588483840. Its totient is φ = 6240499200.

The previous prime is 22100111021. The next prime is 22100111087. The reversal of 22100111022 is 22011100122.

It is a junction number, because it is equal to n+sod(n) for n = 22100110989 and 22100111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100111021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67963 + ... + 220950.

It is an arithmetic number, because the mean of its divisors is an integer number (806070060).

Almost surely, 2^22100111022 is an apocalyptic number.

22100111022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22100111022 is an abundant number, since it is smaller than the sum of its proper divisors (29488372818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22100111022 is a wasteful number, since it uses less digits than its factorization.

22100111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289009.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22100111022 its reverse (22011100122), we get a palindrome (44111211144).

The spelling of 22100111022 in words is "twenty-two billion, one hundred million, one hundred eleven thousand, twenty-two".