2211120231321 has 24 divisors (see below), whose sum is σ = 2992118985856. Its totient is φ = 1452410745120.

The previous prime is 2211120231277. The next prime is 2211120231343. The reversal of 2211120231321 is 1231320211122.

It is not a de Polignac number, because 2211120231321 - 2⁷ = 2211120231193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211120231521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7565376 + ... + 7852206.

Almost surely, 2^{2211120231321} is an apocalyptic number.

It is an amenable number.

2211120231321 is a deficient number, since it is larger than the sum of its proper divisors (780998754535).

2211120231321 is an equidigital number, since it uses as much as digits as its factorization.

2211120231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287373 (or 287290 counting only the distinct ones).

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

Adding to 2211120231321 its reverse (1231320211122), we get a palindrome (3442440442443).

The spelling of 2211120231321 in words is "two trillion, two hundred eleven billion, one hundred twenty million, two hundred thirty-one thousand, three hundred twenty-one".