22021102000 has 40 divisors (see below), whose sum is σ = 53247029472. Its totient is φ = 8808440000.

The previous prime is 22021101959. The next prime is 22021102001. The reversal of 22021102000 is 20112022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (22021102001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5503276 + ... + 5507275.

Almost surely, 2^22021102000 is an apocalyptic number.

22021102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021102000 is an abundant number, since it is smaller than the sum of its proper divisors (31225927472).

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

22021102000 is a wasteful number, since it uses less digits than its factorization.

22021102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010574 (or 11010558 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22021102000 its reverse (20112022), we get a palindrome (22041214022).

The spelling of 22021102000 in words is "twenty-two billion, twenty-one million, one hundred two thousand".