10112221200 has 120 divisors (see below), whose sum is σ = 32803158400. Its totient is φ = 2662433280.

The previous prime is 10112221199. The next prime is 10112221237. The reversal of 10112221200 is 212221101.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41466 + ... + 148134.

Almost surely, 2^10112221200 is an apocalyptic number.

10112221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10112221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16401579200).

10112221200 is an abundant number, since it is smaller than the sum of its proper divisors (22690937200).

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

10112221200 is a wasteful number, since it uses less digits than its factorization.

10112221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106769 (or 106758 counting only the distinct ones).

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

Adding to 10112221200 its reverse (212221101), we get a palindrome (10324442301).

Subtracting from 10112221200 its reverse (212221101), we obtain a palindrome (9900000099).

The spelling of 10112221200 in words is "ten billion, one hundred twelve million, two hundred twenty-one thousand, two hundred".