211411012321 has 2 divisors, whose sum is σ = 211411012322. Its totient is φ = 211411012320.

The previous prime is 211411012313. The next prime is 211411012333. The reversal of 211411012321 is 123210114112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195341900625 + 16069111696 = 441975^2 + 126764^2 .

It is a cyclic number.

It is not a de Polignac number, because 211411012321 - 2³ = 211411012313 is a prime.

It is a super-2 number, since 2×211411012321² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211411012121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105705506160 + 105705506161.

It is an arithmetic number, because the mean of its divisors is an integer number (105705506161).

Almost surely, 2^211411012321 is an apocalyptic number.

It is an amenable number.

211411012321 is a deficient number, since it is larger than the sum of its proper divisors (1).

211411012321 is an equidigital number, since it uses as much as digits as its factorization.

211411012321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 211411012321 its reverse (123210114112), we get a palindrome (334621126433).

The spelling of 211411012321 in words is "two hundred eleven billion, four hundred eleven million, twelve thousand, three hundred twenty-one".