11220021107 has 4 divisors (see below), whose sum is σ = 11220248880. Its totient is φ = 11219793336.

The previous prime is 11220021103. The next prime is 11220021119. The reversal of 11220021107 is 70112002211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70112002211 = 241 ⋅290921171.

It is a cyclic number.

It is not a de Polignac number, because 11220021107 - 2² = 11220021103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220021103) 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, 5807 + ... + 149912.

It is an arithmetic number, because the mean of its divisors is an integer number (2805062220).

Almost surely, 2^11220021107 is an apocalyptic number.

11220021107 is a deficient number, since it is larger than the sum of its proper divisors (227773).

11220021107 is an equidigital number, since it uses as much as digits as its factorization.

11220021107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227772.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 11220021107 its reverse (70112002211), we get a palindrome (81332023318).

The spelling of 11220021107 in words is "eleven billion, two hundred twenty million, twenty-one thousand, one hundred seven".