1121120232320 has 512 divisors, whose sum is σ = 3153945133440. Its totient is φ = 376569856000.

The previous prime is 1121120232319. The next prime is 1121120232341. The reversal of 1121120232320 is 232320211211.

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 = 1121120232292 and 1121120232301.

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, 1656011822 + ... + 1656012498.

Almost surely, 2^{1121120232320} is an apocalyptic number.

1121120232320 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 1121120232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576972566720).

1121120232320 is an abundant number, since it is smaller than the sum of its proper divisors (2032824901120).

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

1121120232320 is a wasteful number, since it uses less digits than its factorization.

1121120232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1121120232320 its reverse (232320211211), we get a palindrome (1353440443531).

The spelling of 1121120232320 in words is "one trillion, one hundred twenty-one billion, one hundred twenty million, two hundred thirty-two thousand, three hundred twenty".