2120314230221 has 12 divisors (see below), whose sum is σ = 2431923475296. Its totient is φ = 1843751502120.

The previous prime is 2120314230217. The next prime is 2120314230239. The reversal of 2120314230221 is 1220324130212.

It is not a de Polignac number, because 2120314230221 - 2² = 2120314230217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120314230121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 380937611 + ... + 380943176.

It is an arithmetic number, because the mean of its divisors is an integer number (202660289608).

Almost surely, 2^{2120314230221} is an apocalyptic number.

It is an amenable number.

2120314230221 is a deficient number, since it is larger than the sum of its proper divisors (311609245075).

2120314230221 is a wasteful number, since it uses less digits than its factorization.

2120314230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761880832 (or 761880821 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2120314230221 its reverse (1220324130212), we get a palindrome (3340638360433).

The spelling of 2120314230221 in words is "two trillion, one hundred twenty billion, three hundred fourteen million, two hundred thirty thousand, two hundred twenty-one".