2311230022221 has 8 divisors (see below), whose sum is σ = 3104133753024. Its totient is φ = 1529573153120.

The previous prime is 2311230022181. The next prime is 2311230022229. The reversal of 2311230022221 is 1222200321132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2311230022221 - 2¹⁰ = 2311230021197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311230022229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2811714945 + ... + 2811715766.

It is an arithmetic number, because the mean of its divisors is an integer number (388016719128).

Almost surely, 2^{2311230022221} is an apocalyptic number.

It is an amenable number.

2311230022221 is a deficient number, since it is larger than the sum of its proper divisors (792903730803).

2311230022221 is a wasteful number, since it uses less digits than its factorization.

2311230022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5623430851.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2311230022221 its reverse (1222200321132), we get a palindrome (3533430343353).

The spelling of 2311230022221 in words is "two trillion, three hundred eleven billion, two hundred thirty million, twenty-two thousand, two hundred twenty-one".