111221332023020 has 12 divisors (see below), whose sum is σ = 233564797248384. Its totient is φ = 44488532809200.

The previous prime is 111221332022953. The next prime is 111221332023037. The reversal of 111221332023020 is 20320233122111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780533300556 + ... + 2780533300595.

It is an arithmetic number, because the mean of its divisors is an integer number (19463733104032).

Almost surely, 2^{111221332023020} is an apocalyptic number.

111221332023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111221332023020 is an abundant number, since it is smaller than the sum of its proper divisors (122343465225364).

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

111221332023020 is a wasteful number, since it uses less digits than its factorization.

111221332023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561066601160 (or 5561066601158 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 111221332023020 its reverse (20320233122111), we get a palindrome (131541565145131).

The spelling of 111221332023020 in words is "one hundred eleven trillion, two hundred twenty-one billion, three hundred thirty-two million, twenty-three thousand, twenty".