22102200012220 has 48 divisors (see below), whose sum is σ = 47821720222080. Its totient is φ = 8576609440256.

The previous prime is 22102200012199. The next prime is 22102200012251. The reversal of 22102200012220 is 2221000220122.

It is a junction number, because it is equal to n+sod(n) for n = 22102200012194 and 22102200012203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117046852 + ... + 117235531.

It is an arithmetic number, because the mean of its divisors is an integer number (996285837960).

Almost surely, 2^{22102200012220} is an apocalyptic number.

22102200012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102200012220 is an abundant number, since it is smaller than the sum of its proper divisors (25719520209860).

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

22102200012220 is a wasteful number, since it uses less digits than its factorization.

22102200012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234282534 (or 234282532 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22102200012220 its reverse (2221000220122), we get a palindrome (24323200232342).

The spelling of 22102200012220 in words is "twenty-two trillion, one hundred two billion, two hundred million, twelve thousand, two hundred twenty".