111002303230020 has 144 divisors (see below), whose sum is σ = 345847577847408. Its totient is φ = 28797232665600.

The previous prime is 111002303230019. The next prime is 111002303230073. The reversal of 111002303230020 is 20032303200111.

111002303230020 is a `hidden beast` number, since 1 + 1 + 100 + 230 + 32 + 300 + 2 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1511527631364 + 109490775598656 = 1229442^2 + 10463784^2 .

It is a super-2 number, since 2×111002303230020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111002303229975 and 111002303230002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56286670 + ... + 58225370.

It is an arithmetic number, because the mean of its divisors is an integer number (2401719290607).

Almost surely, 2^{111002303230020} is an apocalyptic number.

111002303230020 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 111002303230020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172923788923704).

111002303230020 is an abundant number, since it is smaller than the sum of its proper divisors (234845274617388).

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

111002303230020 is a wasteful number, since it uses less digits than its factorization.

111002303230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947350 (or 1947345 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 111002303230020 its reverse (20032303200111), we get a palindrome (131034606430131).

The spelling of 111002303230020 in words is "one hundred eleven trillion, two billion, three hundred three million, two hundred thirty thousand, twenty".