11001100122 has 24 divisors (see below), whose sum is σ = 23840578164. Its totient is φ = 3666285504.

The previous prime is 11001100093. The next prime is 11001100139. The reversal of 11001100122 is 22100110011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9627730641 + 1373369481 = 98121^2 + 37059^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32268 + ... + 151800.

Almost surely, 2^11001100122 is an apocalyptic number.

11001100122 is an abundant number, since it is smaller than the sum of its proper divisors (12839478042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11001100122 is a wasteful number, since it uses less digits than its factorization.

11001100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124654 (or 124651 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11001100122 its reverse (22100110011), we get a palindrome (33101210133).

The spelling of 11001100122 in words is "eleven billion, one million, one hundred thousand, one hundred twenty-two".