111120200001020 has 24 divisors (see below), whose sum is σ = 266688480002784. Its totient is φ = 38098354286016.

The previous prime is 111120200001011. The next prime is 111120200001037. The reversal of 111120200001020 is 20100002021111.

It is a junction number, because it is equal to n+sod(n) for n = 111120200000992 and 111120200001010.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 396857857007 + ... + 396857857286.

It is an arithmetic number, because the mean of its divisors is an integer number (11112020000116).

Almost surely, 2^{111120200001020} is an apocalyptic number.

111120200001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120200001020 is an abundant number, since it is smaller than the sum of its proper divisors (155568280001764).

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

111120200001020 is a wasteful number, since it uses less digits than its factorization.

111120200001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793715714309 (or 793715714307 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111120200001020 its reverse (20100002021111), we get a palindrome (131220202022131).

The spelling of 111120200001020 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred million, one thousand, twenty".