22113111100 has 18 divisors (see below), whose sum is σ = 47985451304. Its totient is φ = 8845244400.

The previous prime is 22113111091. The next prime is 22113111109. The reversal of 22113111100 is 111131122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22113111091) and next prime (22113111109).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113111109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110565456 + ... + 110565655.

Almost surely, 2^22113111100 is an apocalyptic number.

22113111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22113111100 is an abundant number, since it is smaller than the sum of its proper divisors (25872340204).

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

22113111100 is a wasteful number, since it uses less digits than its factorization.

22113111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221131125 (or 221131118 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 22113111100 its reverse (111131122), we get a palindrome (22224242222).

The spelling of 22113111100 in words is "twenty-two billion, one hundred thirteen million, one hundred eleven thousand, one hundred".