111330012020 has 48 divisors (see below), whose sum is σ = 240590262528. Its totient is φ = 43251761280.

The previous prime is 111330012019. The next prime is 111330012083. The reversal of 111330012020 is 20210033111.

It is a junction number, because it is equal to n+sod(n) for n = 111330011986 and 111330012004.

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, 328907 + ... + 575186.

It is an arithmetic number, because the mean of its divisors is an integer number (5012297136).

Almost surely, 2^111330012020 is an apocalyptic number.

111330012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111330012020 is an abundant number, since it is smaller than the sum of its proper divisors (129260250508).

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

111330012020 is a wasteful number, since it uses less digits than its factorization.

111330012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904280 (or 904278 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 111330012020 its reverse (20210033111), we get a palindrome (131540045131).

The spelling of 111330012020 in words is "one hundred eleven billion, three hundred thirty million, twelve thousand, twenty".