1121033313020 has 48 divisors (see below), whose sum is σ = 2493766517760. Its totient is φ = 421847122944.

The previous prime is 1121033313011. The next prime is 1121033313073. The reversal of 1121033313020 is 203133301211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1121033312983 and 1121033313001.

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, 23621 + ... + 1497539.

It is an arithmetic number, because the mean of its divisors is an integer number (51953469120).

Almost surely, 2^{1121033313020} is an apocalyptic number.

1121033313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121033313020 is an abundant number, since it is smaller than the sum of its proper divisors (1372733204740).

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

1121033313020 is a wasteful number, since it uses less digits than its factorization.

1121033313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476182 (or 1476180 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1121033313020 its reverse (203133301211), we get a palindrome (1324166614231).

The spelling of 1121033313020 in words is "one trillion, one hundred twenty-one billion, thirty-three million, three hundred thirteen thousand, twenty".