111302010020 has 144 divisors (see below), whose sum is σ = 258059063808. Its totient is φ = 40142807040.

The previous prime is 111302009977. The next prime is 111302010041. The reversal of 111302010020 is 20010203111.

It is a junction number, because it is equal to n+sod(n) for n = 111302009983 and 111302010010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134584847 + ... + 134585673.

It is an arithmetic number, because the mean of its divisors is an integer number (1792076832).

Almost surely, 2^111302010020 is an apocalyptic number.

111302010020 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 111302010020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129029531904).

111302010020 is an abundant number, since it is smaller than the sum of its proper divisors (146757053788).

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

111302010020 is a wasteful number, since it uses less digits than its factorization.

111302010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 111302010020 its reverse (20010203111), we get a palindrome (131312213131).

The spelling of 111302010020 in words is "one hundred eleven billion, three hundred two million, ten thousand, twenty".