222112221201 has 32 divisors (see below), whose sum is σ = 354428027520. Its totient is φ = 136660934592.

The previous prime is 222112221197. The next prime is 222112221223. The reversal of 222112221201 is 102122211222.

It is a happy number.

222112221201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222112221201 - 2² = 222112221197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222112221241) 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 31 ways as a sum of consecutive naturals, for example, 2111875 + ... + 2214551.

It is an arithmetic number, because the mean of its divisors is an integer number (11075875860).

Almost surely, 2^222112221201 is an apocalyptic number.

It is an amenable number.

222112221201 is a deficient number, since it is larger than the sum of its proper divisors (132315806319).

222112221201 is a wasteful number, since it uses less digits than its factorization.

222112221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108862 (or 108856 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222112221201 its reverse (102122211222), we get a palindrome (324234432423).

The spelling of 222112221201 in words is "two hundred twenty-two billion, one hundred twelve million, two hundred twenty-one thousand, two hundred one".