120002222122001 has 4 divisors (see below), whose sum is σ = 120002259617904. Its totient is φ = 120002184626100.

The previous prime is 120002222121979. The next prime is 120002222122061. The reversal of 120002222122001 is 100221222200021.

It is a happy number.

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 120002222122001 - 2⁶ = 120002222121937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120002222122061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13447895 + ... + 20514636.

It is an arithmetic number, because the mean of its divisors is an integer number (30000564904476).

Almost surely, 2^{120002222122001} is an apocalyptic number.

It is an amenable number.

120002222122001 is a deficient number, since it is larger than the sum of its proper divisors (37495903).

120002222122001 is an equidigital number, since it uses as much as digits as its factorization.

120002222122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37495902.

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

Adding to 120002222122001 its reverse (100221222200021), we get a palindrome (220223444322022).

The spelling of 120002222122001 in words is "one hundred twenty trillion, two billion, two hundred twenty-two million, one hundred twenty-two thousand, one".