22110120108 has 72 divisors (see below), whose sum is σ = 58881579120. Its totient is φ = 6976143360.

The previous prime is 22110120103. The next prime is 22110120113. The reversal of 22110120108 is 80102101122.

It is an interprime number because it is at equal distance from previous prime (22110120103) and next prime (22110120113).

It is a super-2 number, since 2×22110120108² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22110120101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 819148 + ... + 845708.

It is an arithmetic number, because the mean of its divisors is an integer number (817799710).

Almost surely, 2^22110120108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22110120108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29440789560).

22110120108 is an abundant number, since it is smaller than the sum of its proper divisors (36771459012).

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

22110120108 is a wasteful number, since it uses less digits than its factorization.

22110120108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27807 (or 27802 counting only the distinct ones).

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

The spelling of 22110120108 in words is "twenty-two billion, one hundred ten million, one hundred twenty thousand, one hundred eight".