11001022117 has 4 divisors (see below), whose sum is σ = 11041918380. Its totient is φ = 10960125856.

The previous prime is 11001022069. The next prime is 11001022127. The reversal of 11001022117 is 71122010011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5915763396 + 5085258721 = 76914^2 + 71311^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001022117 - 2³¹ = 8853538469 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 11001022117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001022127) 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, 20447728 + ... + 20448265.

It is an arithmetic number, because the mean of its divisors is an integer number (2760479595).

Almost surely, 2^11001022117 is an apocalyptic number.

It is an amenable number.

11001022117 is a deficient number, since it is larger than the sum of its proper divisors (40896263).

11001022117 is an equidigital number, since it uses as much as digits as its factorization.

11001022117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40896262.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 11001022117 its reverse (71122010011), we get a palindrome (82123032128).

The spelling of 11001022117 in words is "eleven billion, one million, twenty-two thousand, one hundred seventeen".