22101010220 has 24 divisors (see below), whose sum is σ = 47399615424. Its totient is φ = 8652310016.

The previous prime is 22101010219. The next prime is 22101010231. The reversal of 22101010220 is 2201010122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11754917 + ... + 11756796.

It is an arithmetic number, because the mean of its divisors is an integer number (1974983976).

Almost surely, 2^22101010220 is an apocalyptic number.

22101010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101010220 is an abundant number, since it is smaller than the sum of its proper divisors (25298605204).

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

22101010220 is a wasteful number, since it uses less digits than its factorization.

22101010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23511769 (or 23511767 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22101010220 its reverse (2201010122), we get a palindrome (24302020342).

It can be divided in two parts, 221010102 and 20, that added together give a palindrome (221010122).

The spelling of 22101010220 in words is "twenty-two billion, one hundred one million, ten thousand, two hundred twenty".