211332222011321 has 2 divisors, whose sum is σ = 211332222011322. Its totient is φ = 211332222011320.

The previous prime is 211332222011257. The next prime is 211332222011327. The reversal of 211332222011321 is 123110222233112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206165488439296 + 5166733572025 = 14358464^2 + 2273045^2 .

It is a cyclic number.

It is not a de Polignac number, because 211332222011321 - 2⁶ = 211332222011257 is a prime.

It is a super-2 number, since 2×211332222011321² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211332222011327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105666111005660 + 105666111005661.

It is an arithmetic number, because the mean of its divisors is an integer number (105666111005661).

Almost surely, 2^{211332222011321} is an apocalyptic number.

It is an amenable number.

211332222011321 is a deficient number, since it is larger than the sum of its proper divisors (1).

211332222011321 is an equidigital number, since it uses as much as digits as its factorization.

211332222011321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 211332222011321 its reverse (123110222233112), we get a palindrome (334442444244433).

The spelling of 211332222011321 in words is "two hundred eleven trillion, three hundred thirty-two billion, two hundred twenty-two million, eleven thousand, three hundred twenty-one".