10221322200 has 48 divisors (see below), whose sum is σ = 31686100680. Its totient is φ = 2725685760.

The previous prime is 10221322169. The next prime is 10221322207. The reversal of 10221322200 is 222312201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10221322200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221322207) 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, 8517169 + ... + 8518368.

Almost surely, 2^10221322200 is an apocalyptic number.

10221322200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221322200 is an abundant number, since it is smaller than the sum of its proper divisors (21464778480).

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

10221322200 is a wasteful number, since it uses less digits than its factorization.

10221322200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17035556 (or 17035547 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10221322200 its reverse (222312201), we get a palindrome (10443634401).

Subtracting from 10221322200 its reverse (222312201), we obtain a palindrome (9999009999).

The spelling of 10221322200 in words is "ten billion, two hundred twenty-one million, three hundred twenty-two thousand, two hundred".