11220201241 has 2 divisors, whose sum is σ = 11220201242. Its totient is φ = 11220201240.

The previous prime is 11220201211. The next prime is 11220201281. The reversal of 11220201241 is 14210202211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9980809216 + 1239392025 = 99904^2 + 35205^2 .

It is an emirp because it is prime and its reverse (14210202211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11220201241 - 2³¹ = 9072717593 is a prime.

It is not a weakly prime, because it can be changed into another prime (11220201211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610100620 + 5610100621.

It is an arithmetic number, because the mean of its divisors is an integer number (5610100621).

Almost surely, 2^11220201241 is an apocalyptic number.

It is an amenable number.

11220201241 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220201241 is an equidigital number, since it uses as much as digits as its factorization.

11220201241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11220201241 its reverse (14210202211), we get a palindrome (25430403452).

The spelling of 11220201241 in words is "eleven billion, two hundred twenty million, two hundred one thousand, two hundred forty-one".