222222101210112 has 176 divisors, whose sum is σ = 596531080454400. Its totient is φ = 73546932264960.

The previous prime is 222222101210111. The next prime is 222222101210113. The reversal of 222222101210112 is 211012101222222.

It is an interprime number because it is at equal distance from previous prime (222222101210111) and next prime (222222101210113).

It is a super-2 number, since 2×222222101210112² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222222101210111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271183339 + ... + 272001557.

Almost surely, 2^{222222101210112} 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 222222101210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298265540227200).

222222101210112 is an abundant number, since it is smaller than the sum of its proper divisors (374308979244288).

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

222222101210112 is a wasteful number, since it uses less digits than its factorization.

222222101210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818872 (or 818854 counting only the distinct ones).

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

Adding to 222222101210112 its reverse (211012101222222), we get a palindrome (433234202432334).

The spelling of 222222101210112 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred one million, two hundred ten thousand, one hundred twelve".