22221010122000 has 80 divisors (see below), whose sum is σ = 71640536652672. Its totient is φ = 5925602697600.

The previous prime is 22221010121971. The next prime is 22221010122019. The reversal of 22221010122000 is 22101012222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1851744844 + ... + 1851756843.

Almost surely, 2^{22221010122000} is an apocalyptic number.

22221010122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221010122000 is an abundant number, since it is smaller than the sum of its proper divisors (49419526530672).

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

22221010122000 is a wasteful number, since it uses less digits than its factorization.

22221010122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703501713 (or 3703501697 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22221010122000 its reverse (22101012222), we get a palindrome (22243111134222).

The spelling of 22221010122000 in words is "twenty-two trillion, two hundred twenty-one billion, ten million, one hundred twenty-two thousand".