22113201000 has 128 divisors (see below), whose sum is σ = 75265407360. Its totient is φ = 5360768000.

The previous prime is 22113200981. The next prime is 22113201007. The reversal of 22113201000 is 10231122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (22113201007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302049 + ... + 368048.

It is an arithmetic number, because the mean of its divisors is an integer number (588010995).

Almost surely, 2^22113201000 is an apocalyptic number.

22113201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22113201000 is an abundant number, since it is smaller than the sum of its proper divisors (53152206360).

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

22113201000 is a wasteful number, since it uses less digits than its factorization.

22113201000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670132 (or 670118 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 22113201000 its reverse (10231122), we get a palindrome (22123432122).

The spelling of 22113201000 in words is "twenty-two billion, one hundred thirteen million, two hundred one thousand".