2120020313221 has 8 divisors (see below), whose sum is σ = 2214970781184. Its totient is φ = 2025301151280.

The previous prime is 2120020313153. The next prime is 2120020313227. The reversal of 2120020313221 is 1223130200212.

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

It is a cyclic number.

It is not a de Polignac number, because 2120020313221 - 2⁷ = 2120020313093 is a prime.

It is a super-2 number, since 2×2120020313221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120020313227) 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, 57807765 + ... + 57844426.

It is an arithmetic number, because the mean of its divisors is an integer number (276871347648).

Almost surely, 2^{2120020313221} is an apocalyptic number.

It is an amenable number.

2120020313221 is a deficient number, since it is larger than the sum of its proper divisors (94950467963).

2120020313221 is a wasteful number, since it uses less digits than its factorization.

2120020313221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115653011.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2120020313221 its reverse (1223130200212), we get a palindrome (3343150513433).

The spelling of 2120020313221 in words is "two trillion, one hundred twenty billion, twenty million, three hundred thirteen thousand, two hundred twenty-one".