11122442011 has 4 divisors (see below), whose sum is σ = 11133148000. Its totient is φ = 11111736024.

The previous prime is 11122441991. The next prime is 11122442027. The reversal of 11122442011 is 11024422111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11024422111 = 617 ⋅17867783.

It is a cyclic number.

It is not a de Polignac number, because 11122442011 - 2²⁷ = 10988224283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11122442011.

It is not an unprimeable number, because it can be changed into a prime (11122440011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5351436 + ... + 5353513.

It is an arithmetic number, because the mean of its divisors is an integer number (2783287000).

Almost surely, 2^11122442011 is an apocalyptic number.

11122442011 is a deficient number, since it is larger than the sum of its proper divisors (10705989).

11122442011 is a wasteful number, since it uses less digits than its factorization.

11122442011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10705988.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11122442011 its reverse (11024422111), we get a palindrome (22146864122).

The spelling of 11122442011 in words is "eleven billion, one hundred twenty-two million, four hundred forty-two thousand, eleven".