22110110220 has 96 divisors (see below), whose sum is σ = 70472747520. Its totient is φ = 5126978560.

The previous prime is 22110110207. The next prime is 22110110249. The reversal of 22110110220 is 2201101122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22110110196 and 22110110205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 713085 + ... + 743444.

It is an arithmetic number, because the mean of its divisors is an integer number (734091120).

Almost surely, 2^22110110220 is an apocalyptic number.

22110110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110110220 is an abundant number, since it is smaller than the sum of its proper divisors (48362637300).

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

22110110220 is a wasteful number, since it uses less digits than its factorization.

22110110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456575 (or 1456573 counting only the distinct ones).

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

Adding to 22110110220 its reverse (2201101122), we get a palindrome (24311211342).

It can be divided in two parts, 221101102 and 20, that added together give a palindrome (221101122).

The spelling of 22110110220 in words is "twenty-two billion, one hundred ten million, one hundred ten thousand, two hundred twenty".