211011013022321 has 2 divisors, whose sum is σ = 211011013022322. Its totient is φ = 211011013022320.

The previous prime is 211011013022317. The next prime is 211011013022333. The reversal of 211011013022321 is 123220310110112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195210189271696 + 15800823750625 = 13971764^2 + 3975025^2 .

It is a cyclic number.

It is not a de Polignac number, because 211011013022321 - 2² = 211011013022317 is a prime.

It is a super-2 number, since 2×211011013022321² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211011013022293 and 211011013022302.

It is not a weakly prime, because it can be changed into another prime (211011013024321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105505506511160 + 105505506511161.

It is an arithmetic number, because the mean of its divisors is an integer number (105505506511161).

Almost surely, 2^{211011013022321} is an apocalyptic number.

It is an amenable number.

211011013022321 is a deficient number, since it is larger than the sum of its proper divisors (1).

211011013022321 is an equidigital number, since it uses as much as digits as its factorization.

211011013022321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 211011013022321 its reverse (123220310110112), we get a palindrome (334231323132433).

The spelling of 211011013022321 in words is "two hundred eleven trillion, eleven billion, thirteen million, twenty-two thousand, three hundred twenty-one".