222201122012112 has 40 divisors (see below), whose sum is σ = 574020192995200. Its totient is φ = 74066959664640.

The previous prime is 222201122012033. The next prime is 222201122012123. The reversal of 222201122012112 is 211210221102222.

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, 55554537 + ... + 59419767.

It is an arithmetic number, because the mean of its divisors is an integer number (14350504824880).

Almost surely, 2^{222201122012112} is an apocalyptic number.

It is an amenable number.

222201122012112 is an abundant number, since it is smaller than the sum of its proper divisors (351819070983088).

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

222201122012112 is a wasteful number, since it uses less digits than its factorization.

222201122012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062891 (or 5062885 counting only the distinct ones).

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

Adding to 222201122012112 its reverse (211210221102222), we get a palindrome (433411343114334).

The spelling of 222201122012112 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twenty-two million, twelve thousand, one hundred twelve".