1121112321020 has 12 divisors (see below), whose sum is σ = 2354335874184. Its totient is φ = 448444928400.

The previous prime is 1121112321019. The next prime is 1121112321031. The reversal of 1121112321020 is 201232111211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121112321020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28027808006 + ... + 28027808045.

It is an arithmetic number, because the mean of its divisors is an integer number (196194656182).

Almost surely, 2^{1121112321020} is an apocalyptic number.

1121112321020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121112321020 is an abundant number, since it is smaller than the sum of its proper divisors (1233223553164).

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

1121112321020 is a wasteful number, since it uses less digits than its factorization.

1121112321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56055616060 (or 56055616058 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1121112321020 its reverse (201232111211), we get a palindrome (1322344432231).

The spelling of 1121112321020 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, three hundred twenty-one thousand, twenty".