211130221231321 has 24 divisors (see below), whose sum is σ = 261642931293600. Its totient is φ = 169278610015872.

The previous prime is 211130221231261. The next prime is 211130221231339. The reversal of 211130221231321 is 123132122031112.

It is not a de Polignac number, because 211130221231321 - 2¹⁹ = 211130220707033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211130221231121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 777341671 + ... + 777613228.

It is an arithmetic number, because the mean of its divisors is an integer number (10901788803900).

Almost surely, 2^{211130221231321} is an apocalyptic number.

It is an amenable number.

211130221231321 is a deficient number, since it is larger than the sum of its proper divisors (50512710062279).

211130221231321 is a wasteful number, since it uses less digits than its factorization.

211130221231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554955093 (or 1554955086 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 211130221231321 its reverse (123132122031112), we get a palindrome (334262343262433).

The spelling of 211130221231321 in words is "two hundred eleven trillion, one hundred thirty billion, two hundred twenty-one million, two hundred thirty-one thousand, three hundred twenty-one".