11221367211 has 8 divisors (see below), whose sum is σ = 16624247760. Its totient is φ = 7480911456.

The previous prime is 11221367119. The next prime is 11221367221. The reversal of 11221367211 is 11276312211.

It is not a de Polignac number, because 11221367211 - 2⁹ = 11221366699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 415606193 = 11221367211 / (1 + 1 + 2 + 2 + 1 + 3 + 6 + 7 + 2 + 1 + 1).

It is not an unprimeable number, because it can be changed into a prime (11221367221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207803070 + ... + 207803123.

It is an arithmetic number, because the mean of its divisors is an integer number (2078030970).

Almost surely, 2^11221367211 is an apocalyptic number.

11221367211 is a deficient number, since it is larger than the sum of its proper divisors (5402880549).

11221367211 is an equidigital number, since it uses as much as digits as its factorization.

11221367211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415606202 (or 415606196 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

Adding to 11221367211 its reverse (11276312211), we get a palindrome (22497679422).

The spelling of 11221367211 in words is "eleven billion, two hundred twenty-one million, three hundred sixty-seven thousand, two hundred eleven".