2120320222001 has 4 divisors (see below), whose sum is σ = 2125607804004. Its totient is φ = 2115032640000.

The previous prime is 2120320221967. The next prime is 2120320222073. The reversal of 2120320222001 is 1002220230212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2089689971776 + 30630250225 = 1445576^2 + 175015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120320222001 - 2⁶ = 2120320221937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120320221001) 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, 2643790400 + ... + 2643791201.

It is an arithmetic number, because the mean of its divisors is an integer number (531401951001).

Almost surely, 2^{2120320222001} is an apocalyptic number.

It is an amenable number.

2120320222001 is a deficient number, since it is larger than the sum of its proper divisors (5287582003).

2120320222001 is an equidigital number, since it uses as much as digits as its factorization.

2120320222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287582002.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2120320222001 its reverse (1002220230212), we get a palindrome (3122540452213).

The spelling of 2120320222001 in words is "two trillion, one hundred twenty billion, three hundred twenty million, two hundred twenty-two thousand, one".