22420102112 has 48 divisors (see below), whose sum is σ = 46898066880. Its totient is φ = 10550562304.

The previous prime is 22420102091. The next prime is 22420102123. The reversal of 22420102112 is 21120102422.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent 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, 85913 + ... + 228519.

It is an arithmetic number, because the mean of its divisors is an integer number (977043060).

Almost surely, 2^22420102112 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 22420102112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23449033440).

22420102112 is an abundant number, since it is smaller than the sum of its proper divisors (24477964768).

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

22420102112 is an equidigital number, since it uses as much as digits as its factorization.

22420102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142668 (or 142626 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22420102112 its reverse (21120102422), we get a palindrome (43540204534).

The spelling of 22420102112 in words is "twenty-two billion, four hundred twenty million, one hundred two thousand, one hundred twelve".