222211121002211 has 4 divisors (see below), whose sum is σ = 242412132002424. Its totient is φ = 202010110002000.

The previous prime is 222211121002201. The next prime is 222211121002229. The reversal of 222211121002211 is 112200121112222.

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-222211121002211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222211121002201) 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, 10100505500090 + ... + 10100505500111.

It is an arithmetic number, because the mean of its divisors is an integer number (60603033000606).

Almost surely, 2^{222211121002211} is an apocalyptic number.

222211121002211 is a deficient number, since it is larger than the sum of its proper divisors (20201011000213).

222211121002211 is a wasteful number, since it uses less digits than its factorization.

222211121002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20201011000212.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222211121002211 its reverse (112200121112222), we get a palindrome (334411242114433).

The spelling of 222211121002211 in words is "two hundred twenty-two trillion, two hundred eleven billion, one hundred twenty-one million, two thousand, two hundred eleven".