12222210021100 has 72 divisors (see below), whose sum is σ = 27676532651040. Its totient is φ = 4676121415680.

The previous prime is 12222210021061. The next prime is 12222210021137. The reversal of 12222210021100 is 112001222221.

It is a happy number.

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, 59819916 + ... + 60023884.

It is an arithmetic number, because the mean of its divisors is an integer number (384396286820).

Almost surely, 2^{12222210021100} is an apocalyptic number.

12222210021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222210021100 is an abundant number, since it is smaller than the sum of its proper divisors (15454322629940).

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

12222210021100 is a wasteful number, since it uses less digits than its factorization.

12222210021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230059 (or 230052 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12222210021100 its reverse (112001222221), we get a palindrome (12334211243321).

The spelling of 12222210021100 in words is "twelve trillion, two hundred twenty-two billion, two hundred ten million, twenty-one thousand, one hundred".