122222122001 has 8 divisors (see below), whose sum is σ = 139823384064. Its totient is φ = 104656099680.

The previous prime is 122222121977. The next prime is 122222122019. The reversal of 122222122001 is 100221222221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122222122001 - 2⁶ = 122222121937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122222122031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8802500 + ... + 8816373.

It is an arithmetic number, because the mean of its divisors is an integer number (17477923008).

Almost surely, 2^122222122001 is an apocalyptic number.

It is an amenable number.

122222122001 is a deficient number, since it is larger than the sum of its proper divisors (17601262063).

122222122001 is an equidigital number, since it uses as much as digits as its factorization.

122222122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17619871.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122222122001 its reverse (100221222221), we get a palindrome (222443344222).

The spelling of 122222122001 in words is "one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-two thousand, one".