1112021223020 has 48 divisors (see below), whose sum is σ = 2337172282368. Its totient is φ = 444441497280.

The previous prime is 1112021223011. The next prime is 1112021223059. The reversal of 1112021223020 is 203221202111.

It is a self number, because there is not a number n which added to its sum of digits gives 1112021223020.

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 15 ways as a sum of consecutive naturals, for example, 208906079 + ... + 208911401.

It is an arithmetic number, because the mean of its divisors is an integer number (48691089216).

Almost surely, 2^{1112021223020} is an apocalyptic number.

1112021223020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112021223020 is an abundant number, since it is smaller than the sum of its proper divisors (1225151059348).

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

1112021223020 is a wasteful number, since it uses less digits than its factorization.

1112021223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11990 (or 11988 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1112021223020 its reverse (203221202111), we get a palindrome (1315242425131).

The spelling of 1112021223020 in words is "one trillion, one hundred twelve billion, twenty-one million, two hundred twenty-three thousand, twenty".