22110020001000 has 96 divisors (see below), whose sum is σ = 74731867633800. Its totient is φ = 5896005331200.

The previous prime is 22110020000989. The next prime is 22110020001023. The reversal of 22110020001000 is 10002001122.

It can be written as a sum of positive squares in 4 ways, for example, as 6067639974564 + 16042380026436 = 2463258^2 + 4005294^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1228325445 + ... + 1228343444.

Almost surely, 2^{22110020001000} is an apocalyptic number.

22110020001000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110020001000 is an abundant number, since it is smaller than the sum of its proper divisors (52621847632800).

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

22110020001000 is a wasteful number, since it uses less digits than its factorization.

22110020001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456668916 (or 2456668899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22110020001000 its reverse (10002001122), we get a palindrome (22120022002122).

The spelling of 22110020001000 in words is "twenty-two trillion, one hundred ten billion, twenty million, one thousand".