2120333010221 has 4 divisors (see below), whose sum is σ = 2120374975392. Its totient is φ = 2120291045052.

The previous prime is 2120333010217. The next prime is 2120333010233. The reversal of 2120333010221 is 1220103330212.

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 2120333010221 - 2² = 2120333010217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120333010193 and 2120333010202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120333010121) 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, 20906705 + ... + 21007878.

It is an arithmetic number, because the mean of its divisors is an integer number (530093743848).

Almost surely, 2^{2120333010221} is an apocalyptic number.

It is an amenable number.

2120333010221 is a deficient number, since it is larger than the sum of its proper divisors (41965171).

2120333010221 is an equidigital number, since it uses as much as digits as its factorization.

2120333010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41965170.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2120333010221 its reverse (1220103330212), we get a palindrome (3340436340433).

The spelling of 2120333010221 in words is "two trillion, one hundred twenty billion, three hundred thirty-three million, ten thousand, two hundred twenty-one".