11001122222000 has 40 divisors (see below), whose sum is σ = 26600713537632. Its totient is φ = 4400448888000.

The previous prime is 11001122221907. The next prime is 11001122222023. The reversal of 11001122222000 is 22222110011.

It is a tau number, because it is divible by the number of its divisors (40).

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2750278556 + ... + 2750282555.

Almost surely, 2^{11001122222000} is an apocalyptic number.

11001122222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001122222000 is an abundant number, since it is smaller than the sum of its proper divisors (15599591315632).

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

11001122222000 is an equidigital number, since it uses as much as digits as its factorization.

11001122222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500561134 (or 5500561118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11001122222000 its reverse (22222110011), we get a palindrome (11023344332011).

The spelling of 11001122222000 in words is "eleven trillion, one billion, one hundred twenty-two million, two hundred twenty-two thousand".