222122001222111 has 16 divisors (see below), whose sum is σ = 311755297971200. Its totient is φ = 140285275351488.

The previous prime is 222122001222103. The next prime is 222122001222133. The reversal of 222122001222111 is 111222100221222.

It is not a de Polignac number, because 222122001222111 - 2³ = 222122001222103 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 (222122001220111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28501231 + ... + 35448048.

It is an arithmetic number, because the mean of its divisors is an integer number (19484706123200).

Almost surely, 2^{222122001222111} is an apocalyptic number.

222122001222111 is a deficient number, since it is larger than the sum of its proper divisors (89633296749089).

222122001222111 is a wasteful number, since it uses less digits than its factorization.

222122001222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64010238.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222122001222111 its reverse (111222100221222), we get a palindrome (333344101443333).

The spelling of 222122001222111 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one million, two hundred twenty-two thousand, one hundred eleven".