111010120002020 has 96 divisors (see below), whose sum is σ = 237900354236160. Its totient is φ = 43499943682560.

The previous prime is 111010120001993. The next prime is 111010120002029. The reversal of 111010120002020 is 20200021010111.

It is a junction number, because it is equal to n+sod(n) for n = 111010120001992 and 111010120002010.

It is not an unprimeable number, because it can be changed into a prime (111010120002029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336124289 + ... + 336454391.

It is an arithmetic number, because the mean of its divisors is an integer number (2478128689960).

Almost surely, 2^{111010120002020} is an apocalyptic number.

111010120002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111010120002020 is an abundant number, since it is smaller than the sum of its proper divisors (126890234234140).

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

111010120002020 is a wasteful number, since it uses less digits than its factorization.

111010120002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331285 (or 331283 counting only the distinct ones).

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

Adding to 111010120002020 its reverse (20200021010111), we get a palindrome (131210141012131).

The spelling of 111010120002020 in words is "one hundred eleven trillion, ten billion, one hundred twenty million, two thousand, twenty".