111120212102020 has 96 divisors (see below), whose sum is σ = 254693768313600. Its totient is φ = 40387122547200.

The previous prime is 111120212101949. The next prime is 111120212102069. The reversal of 111120212102020 is 20201212021111.

It is a junction number, because it is equal to n+sod(n) for n = 111120212101985 and 111120212102003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5276102290 + ... + 5276123350.

It is an arithmetic number, because the mean of its divisors is an integer number (2653060086600).

Almost surely, 2^{111120212102020} is an apocalyptic number.

111120212102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120212102020 is an abundant number, since it is smaller than the sum of its proper divisors (143573556211580).

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

111120212102020 is a wasteful number, since it uses less digits than its factorization.

111120212102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31949 (or 31947 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111120212102020 its reverse (20201212021111), we get a palindrome (131321424123131).

The spelling of 111120212102020 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twelve million, one hundred two thousand, twenty".