1121351344243 has 8 divisors (see below), whose sum is σ = 1278644971968. Its totient is φ = 974205692544.

The previous prime is 1121351344189. The next prime is 1121351344247. The reversal of 1121351344243 is 3424431531211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121351344243 - 2¹³ = 1121351336051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121351344199 and 1121351344208.

It is not an unprimeable number, because it can be changed into a prime (1121351344247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2536993771 + ... + 2536994212.

It is an arithmetic number, because the mean of its divisors is an integer number (159830621496).

Almost surely, 2^{1121351344243} is an apocalyptic number.

1121351344243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1121351344243 is a deficient number, since it is larger than the sum of its proper divisors (157293627725).

1121351344243 is a wasteful number, since it uses less digits than its factorization.

1121351344243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073988013.

The product of its digits is 34560, while the sum is 34.

Adding to 1121351344243 its reverse (3424431531211), we get a palindrome (4545782875454).

The spelling of 1121351344243 in words is "one trillion, one hundred twenty-one billion, three hundred fifty-one million, three hundred forty-four thousand, two hundred forty-three".