120122220001 has 4 divisors (see below), whose sum is σ = 137282537152. Its totient is φ = 102961902852.

The previous prime is 120122219947. The next prime is 120122220047. The reversal of 120122220001 is 100022221021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100022221021 = 200461 ⋅498961.

It is a cyclic number.

It is not a de Polignac number, because 120122220001 - 2⁹ = 120122219489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120122220061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8580158565 + ... + 8580158578.

It is an arithmetic number, because the mean of its divisors is an integer number (34320634288).

Almost surely, 2^120122220001 is an apocalyptic number.

It is an amenable number.

120122220001 is a deficient number, since it is larger than the sum of its proper divisors (17160317151).

120122220001 is an equidigital number, since it uses as much as digits as its factorization.

120122220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17160317150.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 120122220001 its reverse (100022221021), we get a palindrome (220144441022).

The spelling of 120122220001 in words is "one hundred twenty billion, one hundred twenty-two million, two hundred twenty thousand, one".