1121023300000 has 144 divisors (see below), whose sum is σ = 2774047137120. Its totient is φ = 445897120000.

The previous prime is 1121023299983. The next prime is 1121023300031. The reversal of 1121023300000 is 33201211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17868687 + ... + 17931313.

It is an arithmetic number, because the mean of its divisors is an integer number (19264216230).

Almost surely, 2^{1121023300000} is an apocalyptic number.

1121023300000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121023300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1387023568560).

1121023300000 is an abundant number, since it is smaller than the sum of its proper divisors (1653023837120).

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

1121023300000 is an frugal number, since it uses more digits than its factorization.

1121023300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62841 (or 62813 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1121023300000 its reverse (33201211), we get a palindrome (1121056501211).

The spelling of 1121023300000 in words is "one trillion, one hundred twenty-one billion, twenty-three million, three hundred thousand".