222112000001 has 16 divisors (see below), whose sum is σ = 227566976784. Its totient is φ = 216724045824.

The previous prime is 222111999979. The next prime is 222112000027. The reversal of 222112000001 is 100000211222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 36716308225 + 185395691776 = 191615^2 + 430576^2 .

It is a cyclic number.

It is not a de Polignac number, because 222112000001 - 2³⁴ = 204932130817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222112000501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24304505 + ... + 24313641.

It is an arithmetic number, because the mean of its divisors is an integer number (14222936049).

Almost surely, 2^222112000001 is an apocalyptic number.

It is an amenable number.

222112000001 is a deficient number, since it is larger than the sum of its proper divisors (5454976783).

222112000001 is an equidigital number, since it uses as much as digits as its factorization.

222112000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12740.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 222112000001 its reverse (100000211222), we get a palindrome (322112211223).

The spelling of 222112000001 in words is "two hundred twenty-two billion, one hundred twelve million, one", and thus it is an aban number.