22111210200 has 48 divisors (see below), whose sum is σ = 68544753480. Its totient is φ = 5896322560.

The previous prime is 22111210171. The next prime is 22111210273. The reversal of 22111210200 is 201211122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18425409 + ... + 18426608.

Almost surely, 2^22111210200 is an apocalyptic number.

22111210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111210200 is an abundant number, since it is smaller than the sum of its proper divisors (46433543280).

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

22111210200 is a wasteful number, since it uses less digits than its factorization.

22111210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36852036 (or 36852027 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22111210200 its reverse (201211122), we get a palindrome (22312421322).

The spelling of 22111210200 in words is "twenty-two billion, one hundred eleven million, two hundred ten thousand, two hundred".