1130230321220 has 1152 divisors, whose sum is σ = 3564375736320. Its totient is φ = 291133440000.

The previous prime is 1130230321219. The next prime is 1130230321229. The reversal of 1130230321220 is 221230320311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1130230321192 and 1130230321201.

It is not an unprimeable number, because it can be changed into a prime (1130230321229) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 11190399170 + ... + 11190399270.

It is an arithmetic number, because the mean of its divisors is an integer number (3094076160).

Almost surely, 2^{1130230321220} is an apocalyptic number.

1130230321220 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 1130230321220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782187868160).

1130230321220 is an abundant number, since it is smaller than the sum of its proper divisors (2434145415100).

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

1130230321220 is a wasteful number, since it uses less digits than its factorization.

1130230321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1130230321220 its reverse (221230320311), we get a palindrome (1351460641531).

Subtracting from 1130230321220 its reverse (221230320311), we obtain a palindrome (909000000909).

The spelling of 1130230321220 in words is "one trillion, one hundred thirty billion, two hundred thirty million, three hundred twenty-one thousand, two hundred twenty".