1120111120020 has 48 divisors (see below), whose sum is σ = 3244459800960. Its totient is φ = 288396425856.

The previous prime is 1120111120013. The next prime is 1120111120033. The reversal of 1120111120020 is 200211110211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1120111119978 and 1120111120005.

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 15 ways as a sum of consecutive naturals, for example, 321869272 + ... + 321872751.

It is an arithmetic number, because the mean of its divisors is an integer number (67592912520).

Almost surely, 2^{1120111120020} is an apocalyptic number.

1120111120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120111120020 is an abundant number, since it is smaller than the sum of its proper divisors (2124348680940).

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

1120111120020 is a wasteful number, since it uses less digits than its factorization.

1120111120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643742064 (or 643742062 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1120111120020 its reverse (200211110211), we get a palindrome (1320322230231).

The spelling of 1120111120020 in words is "one trillion, one hundred twenty billion, one hundred eleven million, one hundred twenty thousand, twenty".