222122201122111 has 4 divisors (see below), whose sum is σ = 222122286847000. Its totient is φ = 222122115397224.

The previous prime is 222122201122097. The next prime is 222122201122201. The reversal of 222122201122111 is 111221102221222.

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 222122201122111 - 2⁹ = 222122201121599 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 (222122201122411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38850621 + ... + 44199718.

It is an arithmetic number, because the mean of its divisors is an integer number (55530571711750).

Almost surely, 2^{222122201122111} is an apocalyptic number.

222122201122111 is a deficient number, since it is larger than the sum of its proper divisors (85724889).

222122201122111 is an equidigital number, since it uses as much as digits as its factorization.

222122201122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85724888.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 222122201122111 its reverse (111221102221222), we get a palindrome (333343303343333).

The spelling of 222122201122111 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, two hundred one million, one hundred twenty-two thousand, one hundred eleven".