111120111122020 has 192 divisors, whose sum is σ = 316414195195392. Its totient is φ = 31654080000000.

The previous prime is 111120111121963. The next prime is 111120111122081. The reversal of 111120111122020 is 20221111021111.

It is a junction number, because it is equal to n+sod(n) for n = 111120111121985 and 111120111122003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25455481 + ... + 29499520.

It is an arithmetic number, because the mean of its divisors is an integer number (1647990599976).

Almost surely, 2^{111120111122020} is an apocalyptic number.

111120111122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120111122020 is an abundant number, since it is smaller than the sum of its proper divisors (205294084073372).

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

111120111122020 is a wasteful number, since it uses less digits than its factorization.

111120111122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54955142 (or 54955140 counting only the distinct ones).

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

Adding to 111120111122020 its reverse (20221111021111), we get a palindrome (131341222143131).

It can be divided in two parts, 1111201 and 11122020, that added together give a palindrome (12233221).

The spelling of 111120111122020 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred eleven million, one hundred twenty-two thousand, twenty".