1121344205213 has 8 divisors (see below), whose sum is σ = 1127152917120. Its totient is φ = 1115548388640.

The previous prime is 1121344205209. The next prime is 1121344205231. The reversal of 1121344205213 is 3125024431211.

It is a happy number.

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 1121344205213 - 2² = 1121344205209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121344205713) 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, 3049445 + ... + 3397322.

It is an arithmetic number, because the mean of its divisors is an integer number (140894114640).

Almost surely, 2^{1121344205213} is an apocalyptic number.

It is an amenable number.

1121344205213 is a deficient number, since it is larger than the sum of its proper divisors (5808711907).

1121344205213 is an equidigital number, since it uses as much as digits as its factorization.

1121344205213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447667.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1121344205213 its reverse (3125024431211), we get a palindrome (4246368636424).

The spelling of 1121344205213 in words is "one trillion, one hundred twenty-one billion, three hundred forty-four million, two hundred five thousand, two hundred thirteen".