22122221011000 has 64 divisors (see below), whose sum is σ = 56471996936160. Its totient is φ = 8044444000000.

The previous prime is 22122221010991. The next prime is 22122221011039. The reversal of 22122221011000 is 11012222122.

It is a happy number.

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, 1005544501 + ... + 1005566500.

Almost surely, 2^{22122221011000} is an apocalyptic number.

22122221011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122221011000 is an abundant number, since it is smaller than the sum of its proper divisors (34349775925160).

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

22122221011000 is a wasteful number, since it uses less digits than its factorization.

22122221011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011111033 (or 2011111019 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22122221011000 its reverse (11012222122), we get a palindrome (22133233233122).

The spelling of 22122221011000 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty-one million, eleven thousand".