111332110020 has 48 divisors (see below), whose sum is σ = 311909252928. Its totient is φ = 29671482240.

The previous prime is 111332110013. The next prime is 111332110037. The reversal of 111332110020 is 20011233111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 428434 + ... + 637353.

It is an arithmetic number, because the mean of its divisors is an integer number (6498109436).

Almost surely, 2^111332110020 is an apocalyptic number.

111332110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111332110020 is an abundant number, since it is smaller than the sum of its proper divisors (200577142908).

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

111332110020 is a wasteful number, since it uses less digits than its factorization.

111332110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067540 (or 1067538 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111332110020 its reverse (20011233111), we get a palindrome (131343343131).

The spelling of 111332110020 in words is "one hundred eleven billion, three hundred thirty-two million, one hundred ten thousand, twenty".