222100111012222 has 8 divisors (see below), whose sum is σ = 333150231081096. Its totient is φ = 111050033985192.

The previous prime is 222100111012189. The next prime is 222100111012223. The reversal of 222100111012222 is 222210111001222.

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

It is a super-2 number, since 2×222100111012222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222100111012222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100111012223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10699273 + ... + 23636299.

It is an arithmetic number, because the mean of its divisors is an integer number (41643778885137).

Almost surely, 2^{222100111012222} is an apocalyptic number.

222100111012222 is a deficient number, since it is larger than the sum of its proper divisors (111050120068874).

222100111012222 is a wasteful number, since it uses less digits than its factorization.

222100111012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21520922.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222100111012222 its reverse (222210111001222), we get a palindrome (444310222013444).

The spelling of 222100111012222 in words is "two hundred twenty-two trillion, one hundred billion, one hundred eleven million, twelve thousand, two hundred twenty-two".