11242222011 has 32 divisors (see below), whose sum is σ = 17022412800. Its totient is φ = 7329787200.

The previous prime is 11242222007. The next prime is 11242222021. The reversal of 11242222011 is 11022224211.

11242222011 is a `hidden beast` number, since 1 + 12 + 422 + 220 + 11 = 666.

It is not a de Polignac number, because 11242222011 - 2² = 11242222007 is a prime.

It is a super-2 number, since 2×11242222011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11242222021) 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 31 ways as a sum of consecutive naturals, for example, 2283010 + ... + 2287928.

It is an arithmetic number, because the mean of its divisors is an integer number (531950400).

Almost surely, 2^11242222011 is an apocalyptic number.

11242222011 is a deficient number, since it is larger than the sum of its proper divisors (5780190789).

11242222011 is a wasteful number, since it uses less digits than its factorization.

11242222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776 (or 6770 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11242222011 its reverse (11022224211), we get a palindrome (22264446222).

The spelling of 11242222011 in words is "eleven billion, two hundred forty-two million, two hundred twenty-two thousand, eleven".