11241261211 has 2 divisors, whose sum is σ = 11241261212. Its totient is φ = 11241261210.

The previous prime is 11241261191. The next prime is 11241261217. The reversal of 11241261211 is 11216214211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11241261211 - 2⁹ = 11241260699 is a prime.

It is a super-2 number, since 2×11241261211² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11241261217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5620630605 + 5620630606.

It is an arithmetic number, because the mean of its divisors is an integer number (5620630606).

Almost surely, 2^11241261211 is an apocalyptic number.

11241261211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11241261211 is an equidigital number, since it uses as much as digits as its factorization.

11241261211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 22.

Adding to 11241261211 its reverse (11216214211), we get a palindrome (22457475422).

The spelling of 11241261211 in words is "eleven billion, two hundred forty-one million, two hundred sixty-one thousand, two hundred eleven".