2211112001 has 16 divisors (see below), whose sum is σ = 2591326080. Its totient is φ = 1847080320.

The previous prime is 2211111997. The next prime is 2211112003. The reversal of 2211112001 is 1002111122.

It is a cyclic number.

It is not a de Polignac number, because 2211112001 - 2² = 2211111997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211112003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314810 + ... + 321756.

It is an arithmetic number, because the mean of its divisors is an integer number (161957880).

Almost surely, 2^2211112001 is an apocalyptic number.

It is an amenable number.

2211112001 is a deficient number, since it is larger than the sum of its proper divisors (380214079).

2211112001 is a wasteful number, since it uses less digits than its factorization.

2211112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2211112001 is about 47022.4627279346. The cubic root of 2211112001 is about 1302.7774937150. Note that the first 3 decimals are identical.

Adding to 2211112001 its reverse (1002111122), we get a palindrome (3213223123).

The spelling of 2211112001 in words is "two billion, two hundred eleven million, one hundred twelve thousand, one".