111230031330020 has 12 divisors (see below), whose sum is σ = 233583065793084. Its totient is φ = 44492012532000.

The previous prime is 111230031330017. The next prime is 111230031330029. The reversal of 111230031330020 is 20033130032111.

It can be written as a sum of positive squares in 2 ways, for example, as 51549987548224 + 59680043781796 = 7179832^2 + 7725286^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5561501566501 = 111230031330020 / (1 + 1 + 1 + 2 + 3 + 0 + 0 + 3 + 1 + 3 + 3 + 0 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 111230031329974 and 111230031330001.

It is not an unprimeable number, because it can be changed into a prime (111230031330029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780750783231 + ... + 2780750783270.

It is an arithmetic number, because the mean of its divisors is an integer number (19465255482757).

Almost surely, 2^{111230031330020} is an apocalyptic number.

111230031330020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111230031330020 is an abundant number, since it is smaller than the sum of its proper divisors (122353034463064).

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

111230031330020 is a wasteful number, since it uses less digits than its factorization.

111230031330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561501566510 (or 5561501566508 counting only the distinct ones).

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

Adding to 111230031330020 its reverse (20033130032111), we get a palindrome (131263161362131).

The spelling of 111230031330020 in words is "one hundred eleven trillion, two hundred thirty billion, thirty-one million, three hundred thirty thousand, twenty".