222110002120 has 64 divisors (see below), whose sum is σ = 504472011120. Its totient is φ = 88005033984.

The previous prime is 222110002091. The next prime is 222110002123. The reversal of 222110002120 is 21200011222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 308564356 + 221801437764 = 17566^2 + 470958^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222110002120.

It is not an unprimeable number, because it can be changed into a prime (222110002123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8018214 + ... + 8045866.

Almost surely, 2^222110002120 is an apocalyptic number.

222110002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222110002120 is an abundant number, since it is smaller than the sum of its proper divisors (282362009000).

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

222110002120 is a wasteful number, since it uses less digits than its factorization.

222110002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29554 (or 29550 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222110002120 its reverse (21200011222), we get a palindrome (243310013342).

The spelling of 222110002120 in words is "two hundred twenty-two billion, one hundred ten million, two thousand, one hundred twenty".