11100222000 has 480 divisors, whose sum is σ = 45524479104. Its totient is φ = 2467584000.

The previous prime is 11100221959. The next prime is 11100222013. The reversal of 11100222000 is 22200111.

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

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 an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4660810 + ... + 4663190.

Almost surely, 2^11100222000 is an apocalyptic number.

11100222000 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 11100222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22762239552).

11100222000 is an abundant number, since it is smaller than the sum of its proper divisors (34424257104).

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

11100222000 is a wasteful number, since it uses less digits than its factorization.

11100222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454 (or 2435 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 11100222000 its reverse (22200111), we get a palindrome (11122422111).

The spelling of 11100222000 in words is "eleven billion, one hundred million, two hundred twenty-two thousand".