222122111102211 has 4 divisors (see below), whose sum is σ = 296162814802952. Its totient is φ = 148081407401472.

The previous prime is 222122111102209. The next prime is 222122111102249. The reversal of 222122111102211 is 112201111221222.

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

It is not a de Polignac number, because 222122111102211 - 2¹ = 222122111102209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222122111102201) 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, 37020351850366 + ... + 37020351850371.

It is an arithmetic number, because the mean of its divisors is an integer number (74040703700738).

Almost surely, 2^{222122111102211} is an apocalyptic number.

222122111102211 is a deficient number, since it is larger than the sum of its proper divisors (74040703700741).

222122111102211 is an equidigital number, since it uses as much as digits as its factorization.

222122111102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74040703700740.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 222122111102211 its reverse (112201111221222), we get a palindrome (334323222323433).

The spelling of 222122111102211 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred eleven million, one hundred two thousand, two hundred eleven".