2312301112221 has 16 divisors (see below), whose sum is σ = 3099028582400. Its totient is φ = 1533556197360.

The previous prime is 2312301112217. The next prime is 2312301112243. The reversal of 2312301112221 is 1222111032132.

It is not a de Polignac number, because 2312301112221 - 2² = 2312301112217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312301112421) 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, 3712776 + ... + 4290606.

It is an arithmetic number, because the mean of its divisors is an integer number (193689286400).

Almost surely, 2^{2312301112221} is an apocalyptic number.

It is an amenable number.

2312301112221 is a deficient number, since it is larger than the sum of its proper divisors (786727470179).

2312301112221 is a wasteful number, since it uses less digits than its factorization.

2312301112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584736.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2312301112221 its reverse (1222111032132), we get a palindrome (3534412144353).

The spelling of 2312301112221 in words is "two trillion, three hundred twelve billion, three hundred one million, one hundred twelve thousand, two hundred twenty-one".