1123330113020 has 48 divisors (see below), whose sum is σ = 2393784136128. Its totient is φ = 442717954560.

The previous prime is 1123330112981. The next prime is 1123330113043. The reversal of 1123330113020 is 203110333211.

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 = 1123330112983 and 1123330113001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1013990 + ... + 1809650.

It is an arithmetic number, because the mean of its divisors is an integer number (49870502836).

Almost surely, 2^{1123330113020} is an apocalyptic number.

1123330113020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123330113020 is an abundant number, since it is smaller than the sum of its proper divisors (1270454023108).

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

1123330113020 is a wasteful number, since it uses less digits than its factorization.

1123330113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796710 (or 796708 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1123330113020 its reverse (203110333211), we get a palindrome (1326440446231).

The spelling of 1123330113020 in words is "one trillion, one hundred twenty-three billion, three hundred thirty million, one hundred thirteen thousand, twenty".