22001001100 has 36 divisors (see below), whose sum is σ = 51414650224. Its totient is φ = 8123446080.

The previous prime is 22001001097. The next prime is 22001001107. The reversal of 22001001100 is 110010022.

It is not an unprimeable number, because it can be changed into a prime (22001001107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8460624 + ... + 8463223.

Almost surely, 2^22001001100 is an apocalyptic number.

22001001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001001100 is an abundant number, since it is smaller than the sum of its proper divisors (29413649124).

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

22001001100 is a wasteful number, since it uses less digits than its factorization.

22001001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923874 (or 16923867 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 22001001100 its reverse (110010022), we get a palindrome (22111011122).

The spelling of 22001001100 in words is "twenty-two billion, one million, one thousand, one hundred".