222112100112222 has 16 divisors (see below), whose sum is σ = 444294700887312. Its totient is φ = 74025616593600.

The previous prime is 222112100112197. The next prime is 222112100112257. The reversal of 222112100112222 is 222211001211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2937486663 + ... + 2937562274.

It is an arithmetic number, because the mean of its divisors is an integer number (27768418805457).

Almost surely, 2^{222112100112222} is an apocalyptic number.

222112100112222 is an abundant number, since it is smaller than the sum of its proper divisors (222182600775090).

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

222112100112222 is a wasteful number, since it uses less digits than its factorization.

222112100112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875055243.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222112100112222 its reverse (222211001211222), we get a palindrome (444323101323444).

The spelling of 222112100112222 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred million, one hundred twelve thousand, two hundred twenty-two".