20011120332241 has 2 divisors, whose sum is σ = 20011120332242. Its totient is φ = 20011120332240.

The previous prime is 20011120332199. The next prime is 20011120332311. The reversal of 20011120332241 is 14223302111002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16991675433216 + 3019444899025 = 4122096^2 + 1737655^2 .

It is a cyclic number.

It is not a de Polignac number, because 20011120332241 - 2¹⁹ = 20011119807953 is a prime.

It is not a weakly prime, because it can be changed into another prime (20011120332341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005560166120 + 10005560166121.

It is an arithmetic number, because the mean of its divisors is an integer number (10005560166121).

Almost surely, 2^{20011120332241} is an apocalyptic number.

It is an amenable number.

20011120332241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011120332241 is an equidigital number, since it uses as much as digits as its factorization.

20011120332241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20011120332241 its reverse (14223302111002), we get a palindrome (34234422443243).

The spelling of 20011120332241 in words is "twenty trillion, eleven billion, one hundred twenty million, three hundred thirty-two thousand, two hundred forty-one".