11000000022000 has 640 divisors, whose sum is σ = 39638043574272. Its totient is φ = 2601341568000.

The previous prime is 11000000021909. The next prime is 11000000022019. The reversal of 11000000022000 is 22000000011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11000000022000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2789752029 + ... + 2789755971.

Almost surely, 2^{11000000022000} is an apocalyptic number.

11000000022000 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 11000000022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19819021787136).

11000000022000 is an abundant number, since it is smaller than the sum of its proper divisors (28638043552272).

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

11000000022000 is a wasteful number, since it uses less digits than its factorization.

11000000022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006 (or 4990 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 11000000022000 its reverse (22000000011), we get a palindrome (11022000022011).

The spelling of 11000000022000 in words is "eleven trillion, twenty-two thousand".