222001002211 has 4 divisors (see below), whose sum is σ = 235059884712. Its totient is φ = 208942119712.

The previous prime is 222001002199. The next prime is 222001002229. The reversal of 222001002211 is 112200100222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222001002211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222001002191 and 222001002200.

It is not an unprimeable number, because it can be changed into a prime (222001002241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6529441225 + ... + 6529441258.

It is an arithmetic number, because the mean of its divisors is an integer number (58764971178).

Almost surely, 2^222001002211 is an apocalyptic number.

222001002211 is a deficient number, since it is larger than the sum of its proper divisors (13058882501).

222001002211 is a wasteful number, since it uses less digits than its factorization.

222001002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13058882500.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222001002211 its reverse (112200100222), we get a palindrome (334201102433).

It can be divided in two parts, 22200100221 and 1, that added together give a palindrome (22200100222).

The spelling of 222001002211 in words is "two hundred twenty-two billion, one million, two thousand, two hundred eleven".