2120302322221 has 16 divisors (see below), whose sum is σ = 2255740401600. Its totient is φ = 1986073198848.

The previous prime is 2120302322209. The next prime is 2120302322291. The reversal of 2120302322221 is 1222232030212.

It is a cyclic number.

It is not a de Polignac number, because 2120302322221 - 2⁷ = 2120302322093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120302322192 and 2120302322201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120302322291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3392950 + ... + 3968968.

It is an arithmetic number, because the mean of its divisors is an integer number (140983775100).

Almost surely, 2^{2120302322221} is an apocalyptic number.

It is an amenable number.

2120302322221 is a deficient number, since it is larger than the sum of its proper divisors (135438079379).

2120302322221 is a wasteful number, since it uses less digits than its factorization.

2120302322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577068.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2120302322221 its reverse (1222232030212), we get a palindrome (3342534352433).

The spelling of 2120302322221 in words is "two trillion, one hundred twenty billion, three hundred two million, three hundred twenty-two thousand, two hundred twenty-one".