22102000100 has 18 divisors (see below), whose sum is σ = 47961340434. Its totient is φ = 8840800000.

The previous prime is 22102000099. The next prime is 22102000111. The reversal of 22102000100 is 100020122.

It can be written as a sum of positive squares in 3 ways, for example, as 196224064 + 21905776036 = 14008^2 + 148006^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110509901 + ... + 110510100.

It is an arithmetic number, because the mean of its divisors is an integer number (2664518913).

Almost surely, 2^22102000100 is an apocalyptic number.

22102000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102000100 is an abundant number, since it is smaller than the sum of its proper divisors (25859340334).

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

22102000100 is a wasteful number, since it uses less digits than its factorization.

22102000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221020015 (or 221020008 counting only the distinct ones).

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

Adding to 22102000100 its reverse (100020122), we get a palindrome (22202020222).

The spelling of 22102000100 in words is "twenty-two billion, one hundred two million, one hundred", and thus it is an aban number.