1121321202344 has 16 divisors (see below), whose sum is σ = 2402831148000. Its totient is φ = 480566229552.

The previous prime is 1121321202343. The next prime is 1121321202347. The reversal of 1121321202344 is 4432021231211.

It is a happy number.

It is a super-2 number, since 2×1121321202344² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121321202343) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10011796394 + ... + 10011796505.

It is an arithmetic number, because the mean of its divisors is an integer number (150176946750).

Almost surely, 2^{1121321202344} is an apocalyptic number.

1121321202344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1121321202344 is an abundant number, since it is smaller than the sum of its proper divisors (1281509945656).

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

1121321202344 is a wasteful number, since it uses less digits than its factorization.

1121321202344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20023592912 (or 20023592908 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1121321202344 its reverse (4432021231211), we get a palindrome (5553342433555).

The spelling of 1121321202344 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-one million, two hundred two thousand, three hundred forty-four".