2011212325321 has 4 divisors (see below), whose sum is σ = 2080564474500. Its totient is φ = 1941860176144.

The previous prime is 2011212325313. The next prime is 2011212325327. The reversal of 2011212325321 is 1235232121102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 458606612025 + 1552605713296 = 677205^2 + 1246036^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011212325321 - 2³ = 2011212325313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011212325327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34676074546 + ... + 34676074603.

It is an arithmetic number, because the mean of its divisors is an integer number (520141118625).

Almost surely, 2^{2011212325321} is an apocalyptic number.

It is an amenable number.

2011212325321 is a deficient number, since it is larger than the sum of its proper divisors (69352149179).

2011212325321 is an equidigital number, since it uses as much as digits as its factorization.

2011212325321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69352149178.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 2011212325321 its reverse (1235232121102), we get a palindrome (3246444446423).

The spelling of 2011212325321 in words is "two trillion, eleven billion, two hundred twelve million, three hundred twenty-five thousand, three hundred twenty-one".