222100113221 has 8 divisors (see below), whose sum is σ = 257617189440. Its totient is φ = 187530159168.

The previous prime is 222100113127. The next prime is 222100113289. The reversal of 222100113221 is 122311001222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222100113221 - 2¹⁴ = 222100096837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222100113221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100113721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236780036 + ... + 236780973.

It is an arithmetic number, because the mean of its divisors is an integer number (32202148680).

Almost surely, 2^222100113221 is an apocalyptic number.

It is an amenable number.

222100113221 is a deficient number, since it is larger than the sum of its proper divisors (35517076219).

222100113221 is an equidigital number, since it uses as much as digits as its factorization.

222100113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473561083.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222100113221 its reverse (122311001222), we get a palindrome (344411114443).

The spelling of 222100113221 in words is "two hundred twenty-two billion, one hundred million, one hundred thirteen thousand, two hundred twenty-one".