2302111322321 has 4 divisors (see below), whose sum is σ = 2302127324772. Its totient is φ = 2302095319872.

The previous prime is 2302111322317. The next prime is 2302111322323. The reversal of 2302111322321 is 1232231112032.

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 1770400558096 + 531710764225 = 1330564^2 + 729185^2 .

It is a cyclic number.

It is not a de Polignac number, because 2302111322321 - 2² = 2302111322317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2302111322323) 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, 7783460 + ... + 8073813.

It is an arithmetic number, because the mean of its divisors is an integer number (575531831193).

Almost surely, 2^{2302111322321} is an apocalyptic number.

It is an amenable number.

2302111322321 is a deficient number, since it is larger than the sum of its proper divisors (16002451).

2302111322321 is a wasteful number, since it uses less digits than its factorization.

2302111322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16002450.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2302111322321 its reverse (1232231112032), we get a palindrome (3534342434353).

The spelling of 2302111322321 in words is "two trillion, three hundred two billion, one hundred eleven million, three hundred twenty-two thousand, three hundred twenty-one".