11091199022 has 4 divisors (see below), whose sum is σ = 16636798536. Its totient is φ = 5545599510.

The previous prime is 11091198967. The next prime is 11091199027. The reversal of 11091199022 is 22099119011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22099119011 = 11867 ⋅1862233.

It is a super-2 number, since 2×11091199022² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11091199027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2772799754 + ... + 2772799757.

It is an arithmetic number, because the mean of its divisors is an integer number (4159199634).

Almost surely, 2^11091199022 is an apocalyptic number.

11091199022 is a deficient number, since it is larger than the sum of its proper divisors (5545599514).

11091199022 is an equidigital number, since it uses as much as digits as its factorization.

11091199022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5545599513.

The product of its (nonzero) digits is 2916, while the sum is 35.

The spelling of 11091199022 in words is "eleven billion, ninety-one million, one hundred ninety-nine thousand, twenty-two".