22201111000 has 32 divisors (see below), whose sum is σ = 51950602080. Its totient is φ = 8880444000.

The previous prime is 22201110983. The next prime is 22201111061. The reversal of 22201111000 is 11110222.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11099556 + ... + 11101555.

It is an arithmetic number, because the mean of its divisors is an integer number (1623456315).

Almost surely, 2^22201111000 is an apocalyptic number.

22201111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201111000 is an abundant number, since it is smaller than the sum of its proper divisors (29749491080).

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

22201111000 is a wasteful number, since it uses less digits than its factorization.

22201111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22201132 (or 22201118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22201111000 its reverse (11110222), we get a palindrome (22212221222).

The spelling of 22201111000 in words is "twenty-two billion, two hundred one million, one hundred eleven thousand".