23111222200 has 48 divisors (see below), whose sum is σ = 58618469160. Its totient is φ = 8404080000.

The previous prime is 23111222191. The next prime is 23111222201. The reversal of 23111222200 is 222211132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111222201) 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, 5250351 + ... + 5254750.

Almost surely, 2^23111222200 is an apocalyptic number.

23111222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23111222200 is an abundant number, since it is smaller than the sum of its proper divisors (35507246960).

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

23111222200 is a wasteful number, since it uses less digits than its factorization.

23111222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10505128 (or 10505119 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 23111222200 its reverse (222211132), we get a palindrome (23333433332).

The spelling of 23111222200 in words is "twenty-three billion, one hundred eleven million, two hundred twenty-two thousand, two hundred".