222100022222112 has 192 divisors, whose sum is σ = 626104830726144. Its totient is φ = 68685754798080.

The previous prime is 222100022222077. The next prime is 222100022222119. The reversal of 222100022222112 is 211222220001222.

It is not an unprimeable number, because it can be changed into a prime (222100022222119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 718599513 + ... + 718908519.

It is an arithmetic number, because the mean of its divisors is an integer number (3260962660032).

Almost surely, 2^{222100022222112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222100022222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313052415363072).

222100022222112 is an abundant number, since it is smaller than the sum of its proper divisors (404004808504032).

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

222100022222112 is a wasteful number, since it uses less digits than its factorization.

222100022222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315311 (or 315303 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222100022222112 its reverse (211222220001222), we get a palindrome (433322242223334).

The spelling of 222100022222112 in words is "two hundred twenty-two trillion, one hundred billion, twenty-two million, two hundred twenty-two thousand, one hundred twelve".