2120322213121 has 8 divisors (see below), whose sum is σ = 2423254367360. Its totient is φ = 1817397304128.

The previous prime is 2120322213109. The next prime is 2120322213127. The reversal of 2120322213121 is 1213122230212.

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

It is not a de Polignac number, because 2120322213121 - 2⁹ = 2120322212609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120322213092 and 2120322213101.

It is not an unprimeable number, because it can be changed into a prime (2120322213127) 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, 1169016 + ... + 2367961.

It is an arithmetic number, because the mean of its divisors is an integer number (302906795920).

Almost surely, 2^{2120322213121} is an apocalyptic number.

It is an amenable number.

2120322213121 is a deficient number, since it is larger than the sum of its proper divisors (302932154239).

2120322213121 is an equidigital number, since it uses as much as digits as its factorization.

2120322213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622623.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2120322213121 its reverse (1213122230212), we get a palindrome (3333444443333).

The spelling of 2120322213121 in words is "two trillion, one hundred twenty billion, three hundred twenty-two million, two hundred thirteen thousand, one hundred twenty-one".