12222122211001 has 16 divisors (see below), whose sum is σ = 12945922459200. Its totient is φ = 11498862025728.

The previous prime is 12222122210911. The next prime is 12222122211029. The reversal of 12222122211001 is 10011222122221.

It is a cyclic number.

It is not a de Polignac number, because 12222122211001 - 2³³ = 12213532276409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12222122211001.

It is not an unprimeable number, because it can be changed into a prime (12222122211041) 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, 746654545 + ... + 746670913.

It is an arithmetic number, because the mean of its divisors is an integer number (809120153700).

Almost surely, 2^{12222122211001} is an apocalyptic number.

It is an amenable number.

12222122211001 is a deficient number, since it is larger than the sum of its proper divisors (723800248199).

12222122211001 is a wasteful number, since it uses less digits than its factorization.

12222122211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30168.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12222122211001 its reverse (10011222122221), we get a palindrome (22233344333222).

The spelling of 12222122211001 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred eleven thousand, one".