1130221311000 has 256 divisors, whose sum is σ = 3696158269440. Its totient is φ = 286991654400.

The previous prime is 1130221310989. The next prime is 1130221311019. The reversal of 1130221311000 is 1131220311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15350274 + ... + 15423726.

It is an arithmetic number, because the mean of its divisors is an integer number (14438118240).

Almost surely, 2^{1130221311000} is an apocalyptic number.

1130221311000 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 1130221311000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1848079134720).

1130221311000 is an abundant number, since it is smaller than the sum of its proper divisors (2565936958440).

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

1130221311000 is a wasteful number, since it uses less digits than its factorization.

1130221311000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73723 (or 73709 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1130221311000 its reverse (1131220311), we get a palindrome (1131352531311).

The spelling of 1130221311000 in words is "one trillion, one hundred thirty billion, two hundred twenty-one million, three hundred eleven thousand".