10221312200 has 96 divisors (see below), whose sum is σ = 27289548000. Its totient is φ = 3521203200.

The previous prime is 10221312163. The next prime is 10221312209. The reversal of 10221312200 is 221312201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10221312209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80465 + ... + 164064.

It is an arithmetic number, because the mean of its divisors is an integer number (284266125).

Almost surely, 2^10221312200 is an apocalyptic number.

10221312200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221312200 is an abundant number, since it is smaller than the sum of its proper divisors (17068235800).

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

10221312200 is a wasteful number, since it uses less digits than its factorization.

10221312200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244575 (or 244566 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10221312200 its reverse (221312201), we get a palindrome (10442624401).

Subtracting from 10221312200 its reverse (221312201), we obtain a palindrome (9999999999).

The spelling of 10221312200 in words is "ten billion, two hundred twenty-one million, three hundred twelve thousand, two hundred".