11221000110 has 144 divisors (see below), whose sum is σ = 32340892896. Its totient is φ = 2693661696.

The previous prime is 11221000079. The next prime is 11221000139. The reversal of 11221000110 is 1100012211.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 11221000092 and 11221000101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 588852 + ... + 607608.

It is an arithmetic number, because the mean of its divisors is an integer number (224589534).

Almost surely, 2^11221000110 is an apocalyptic number.

11221000110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11221000110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16170446448).

11221000110 is an abundant number, since it is smaller than the sum of its proper divisors (21119892786).

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

11221000110 is a wasteful number, since it uses less digits than its factorization.

11221000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18827 (or 18807 counting only the distinct ones).

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

Adding to 11221000110 its reverse (1100012211), we get a palindrome (12321012321).

The spelling of 11221000110 in words is "eleven billion, two hundred twenty-one million, one hundred ten", and thus it is an aban number.