2120020320001 has 4 divisors (see below), whose sum is σ = 2120516699904. Its totient is φ = 2119523940100.

The previous prime is 2120020319971. The next prime is 2120020320007. The reversal of 2120020320001 is 1000230200212.

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 2120020320001 - 2⁷ = 2120020319873 is a prime.

It is a super-3 number, since 3×2120020320001³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120020320007) 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, 248183545 + ... + 248192086.

It is an arithmetic number, because the mean of its divisors is an integer number (530129174976).

Almost surely, 2^{2120020320001} is an apocalyptic number.

It is an amenable number.

2120020320001 is a deficient number, since it is larger than the sum of its proper divisors (496379903).

2120020320001 is an equidigital number, since it uses as much as digits as its factorization.

2120020320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496379902.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 2120020320001 its reverse (1000230200212), we get a palindrome (3120250520213).

The spelling of 2120020320001 in words is "two trillion, one hundred twenty billion, twenty million, three hundred twenty thousand, one".