222202221311111 has 4 divisors (see below), whose sum is σ = 229370034901824. Its totient is φ = 215034407720400.

The previous prime is 222202221311051. The next prime is 222202221311141. The reversal of 222202221311111 is 111113122202222.

222202221311111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 222202221311111 - 2²⁶ = 222202154202247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202221311141) 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, 3583906795310 + ... + 3583906795371.

It is an arithmetic number, because the mean of its divisors is an integer number (57342508725456).

Almost surely, 2^{222202221311111} is an apocalyptic number.

222202221311111 is a deficient number, since it is larger than the sum of its proper divisors (7167813590713).

222202221311111 is an equidigital number, since it uses as much as digits as its factorization.

222202221311111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7167813590712.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 222202221311111 its reverse (111113122202222), we get a palindrome (333315343513333).

The spelling of 222202221311111 in words is "two hundred twenty-two trillion, two hundred two billion, two hundred twenty-one million, three hundred eleven thousand, one hundred eleven".