11011000000122 has 24 divisors (see below), whose sum is σ = 23864202236160. Its totient is φ = 3669250938120.

The previous prime is 11011000000111. The next prime is 11011000000127. The reversal of 11011000000122 is 22100000011011.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (11011000000127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90136872 + ... + 90258947.

It is an arithmetic number, because the mean of its divisors is an integer number (994341759840).

Almost surely, 2^{11011000000122} is an apocalyptic number.

11011000000122 is an abundant number, since it is smaller than the sum of its proper divisors (12853202236038).

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

11011000000122 is a wasteful number, since it uses less digits than its factorization.

11011000000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180399218 (or 180399215 counting only the distinct ones).

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

Adding to 11011000000122 its reverse (22100000011011), we get a palindrome (33111000011133).

The spelling of 11011000000122 in words is "eleven trillion, eleven billion, one hundred twenty-two", and thus it is an aban number.