220122211122001 has 4 divisors (see below), whose sum is σ = 220934470203904. Its totient is φ = 219309952040100.

The previous prime is 220122211121993. The next prime is 220122211122007. The reversal of 220122211122001 is 100221112221022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220122211122001 - 2³ = 220122211121993 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 220122211122001.

It is not an unprimeable number, because it can be changed into a prime (220122211122007) 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, 406129540545 + ... + 406129541086.

It is an arithmetic number, because the mean of its divisors is an integer number (55233617550976).

Almost surely, 2^{220122211122001} is an apocalyptic number.

It is an amenable number.

220122211122001 is a deficient number, since it is larger than the sum of its proper divisors (812259081903).

220122211122001 is an equidigital number, since it uses as much as digits as its factorization.

220122211122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812259081902.

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

Adding to 220122211122001 its reverse (100221112221022), we get a palindrome (320343323343023).

The spelling of 220122211122001 in words is "two hundred twenty trillion, one hundred twenty-two billion, two hundred eleven million, one hundred twenty-two thousand, one".