2120313122303 has 16 divisors (see below), whose sum is σ = 2149325513280. Its totient is φ = 2091537398016.

The previous prime is 2120313122299. The next prime is 2120313122309. The reversal of 2120313122303 is 3032213130212.

It is a cyclic number.

It is not a de Polignac number, because 2120313122303 - 2² = 2120313122299 is a prime.

It is a super-2 number, since 2×2120313122303² (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 (2120313122309) 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, 14230193 + ... + 14378421.

It is an arithmetic number, because the mean of its divisors is an integer number (134332844580).

Almost surely, 2^{2120313122303} is an apocalyptic number.

2120313122303 is a deficient number, since it is larger than the sum of its proper divisors (29012390977).

2120313122303 is a wasteful number, since it uses less digits than its factorization.

2120313122303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149026.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2120313122303 its reverse (3032213130212), we get a palindrome (5152526252515).

The spelling of 2120313122303 in words is "two trillion, one hundred twenty billion, three hundred thirteen million, one hundred twenty-two thousand, three hundred three".