222022112112211 has 4 divisors (see below), whose sum is σ = 223137801118000. Its totient is φ = 220906423106424.

The previous prime is 222022112112187. The next prime is 222022112112223. The reversal of 222022112112211 is 112211211220222.

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 222022112112211 - 2¹³ = 222022112104019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222022112119211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557844502596 + ... + 557844502993.

It is an arithmetic number, because the mean of its divisors is an integer number (55784450279500).

Almost surely, 2^{222022112112211} is an apocalyptic number.

222022112112211 is a deficient number, since it is larger than the sum of its proper divisors (1115689005789).

222022112112211 is a wasteful number, since it uses less digits than its factorization.

222022112112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115689005788.

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

Adding to 222022112112211 its reverse (112211211220222), we get a palindrome (334233323332433).

The spelling of 222022112112211 in words is "two hundred twenty-two trillion, twenty-two billion, one hundred twelve million, one hundred twelve thousand, two hundred eleven".