11100122000 has 160 divisors (see below), whose sum is σ = 30554544384. Its totient is φ = 3860736000.

The previous prime is 11100121997. The next prime is 11100122017. The reversal of 11100122000 is 22100111.

11100122000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 495032 + ... + 516968.

Almost surely, 2^11100122000 is an apocalyptic number.

11100122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11100122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15277272192).

11100122000 is an abundant number, since it is smaller than the sum of its proper divisors (19454422384).

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

11100122000 is a wasteful number, since it uses less digits than its factorization.

11100122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21994 (or 21978 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11100122000 its reverse (22100111), we get a palindrome (11122222111).

The spelling of 11100122000 in words is "eleven billion, one hundred million, one hundred twenty-two thousand".