22110122000 has 80 divisors (see below), whose sum is σ = 55305946800. Its totient is φ = 8539059200.

The previous prime is 22110121981. The next prime is 22110122011. The reversal of 22110122000 is 22101122.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 14973927424 + 7136194576 = 122368^2 + 84476^2 .

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

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, 132605 + ... + 248604.

It is an arithmetic number, because the mean of its divisors is an integer number (691324335).

Almost surely, 2^22110122000 is an apocalyptic number.

22110122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110122000 is an abundant number, since it is smaller than the sum of its proper divisors (33195824800).

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

22110122000 is a wasteful number, since it uses less digits than its factorization.

22110122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381261 (or 381245 counting only the distinct ones).

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

Adding to 22110122000 its reverse (22101122), we get a palindrome (22132223122).

The spelling of 22110122000 in words is "twenty-two billion, one hundred ten million, one hundred twenty-two thousand".