111001233020 has 12 divisors (see below), whose sum is σ = 233102589384. Its totient is φ = 44400493200.

The previous prime is 111001233019. The next prime is 111001233043. The reversal of 111001233020 is 20332100111.

It is a junction number, because it is equal to n+sod(n) for n = 111001232986 and 111001233004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2775030806 + ... + 2775030845.

It is an arithmetic number, because the mean of its divisors is an integer number (19425215782).

Almost surely, 2^111001233020 is an apocalyptic number.

111001233020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111001233020 is an abundant number, since it is smaller than the sum of its proper divisors (122101356364).

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

111001233020 is a wasteful number, since it uses less digits than its factorization.

111001233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550061660 (or 5550061658 counting only the distinct ones).

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

Adding to 111001233020 its reverse (20332100111), we get a palindrome (131333333131).

The spelling of 111001233020 in words is "one hundred eleven billion, one million, two hundred thirty-three thousand, twenty".