11320212212021 has 2 divisors, whose sum is σ = 11320212212022. Its totient is φ = 11320212212020.

The previous prime is 11320212211981. The next prime is 11320212212053. The reversal of 11320212212021 is 12021221202311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5976856347121 + 5343355864900 = 2444761^2 + 2311570^2 .

It is a cyclic number.

It is not a de Polignac number, because 11320212212021 - 2²² = 11320208017717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11320212211984 and 11320212212002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11320212212321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660106106010 + 5660106106011.

It is an arithmetic number, because the mean of its divisors is an integer number (5660106106011).

Almost surely, 2^{11320212212021} is an apocalyptic number.

It is an amenable number.

11320212212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320212212021 is an equidigital number, since it uses as much as digits as its factorization.

11320212212021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11320212212021 its reverse (12021221202311), we get a palindrome (23341433414332).

The spelling of 11320212212021 in words is "eleven trillion, three hundred twenty billion, two hundred twelve million, two hundred twelve thousand, twenty-one".