222001123112 has 32 divisors (see below), whose sum is σ = 448361326080. Its totient is φ = 102749465280.

The previous prime is 222001123111. The next prime is 222001123129. The reversal of 222001123112 is 211321100222.

It is not an unprimeable number, because it can be changed into a prime (222001123111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19454423 + ... + 19465830.

It is an arithmetic number, because the mean of its divisors is an integer number (14011291440).

Almost surely, 2^222001123112 is an apocalyptic number.

It is an amenable number.

222001123112 is an abundant number, since it is smaller than the sum of its proper divisors (226360202968).

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

222001123112 is a wasteful number, since it uses less digits than its factorization.

222001123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38920313 (or 38920309 counting only the distinct ones).

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

Adding to 222001123112 its reverse (211321100222), we get a palindrome (433322223334).

The spelling of 222001123112 in words is "two hundred twenty-two billion, one million, one hundred twenty-three thousand, one hundred twelve".