222122122001121 has 64 divisors (see below), whose sum is σ = 316364297338880. Its totient is φ = 138227018529600.

The previous prime is 222122122001119. The next prime is 222122122001161. The reversal of 222122122001121 is 121100221221222.

It is not a de Polignac number, because 222122122001121 - 2¹ = 222122122001119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222122122001161) 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 63 ways as a sum of consecutive naturals, for example, 4834709676 + ... + 4834755618.

It is an arithmetic number, because the mean of its divisors is an integer number (4943192145920).

Almost surely, 2^{222122122001121} is an apocalyptic number.

It is an amenable number.

222122122001121 is a deficient number, since it is larger than the sum of its proper divisors (94242175337759).

222122122001121 is a wasteful number, since it uses less digits than its factorization.

222122122001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50666.

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

Adding to 222122122001121 its reverse (121100221221222), we get a palindrome (343222343222343).

The spelling of 222122122001121 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred twenty-two million, one thousand, one hundred twenty-one".