22103202100 has 36 divisors (see below), whose sum is σ = 54815942944. Its totient is φ = 7578240480.

The previous prime is 22103202091. The next prime is 22103202109. The reversal of 22103202100 is 120230122.

It is an interprime number because it is at equal distance from previous prime (22103202091) and next prime (22103202109).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22103202109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15787302 + ... + 15788701.

Almost surely, 2^22103202100 is an apocalyptic number.

22103202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22103202100 is an abundant number, since it is smaller than the sum of its proper divisors (32712740844).

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

22103202100 is a wasteful number, since it uses less digits than its factorization.

22103202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31576024 (or 31576017 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22103202100 its reverse (120230122), we get a palindrome (22223432222).

The spelling of 22103202100 in words is "twenty-two billion, one hundred three million, two hundred two thousand, one hundred".