1122003043643 has 4 divisors (see below), whose sum is σ = 1122005370120. Its totient is φ = 1122000717168.

The previous prime is 1122003043631. The next prime is 1122003043661. The reversal of 1122003043643 is 3463403002211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1122003043643 - 2¹⁰ = 1122003042619 is a prime.

It is a super-2 number, since 2×1122003043643² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122003040643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139505 + ... + 1504482.

It is an arithmetic number, because the mean of its divisors is an integer number (280501342530).

Almost surely, 2^{1122003043643} is an apocalyptic number.

1122003043643 is a deficient number, since it is larger than the sum of its proper divisors (2326477).

1122003043643 is an equidigital number, since it uses as much as digits as its factorization.

1122003043643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326476.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1122003043643 its reverse (3463403002211), we get a palindrome (4585406045854).

The spelling of 1122003043643 in words is "one trillion, one hundred twenty-two billion, three million, forty-three thousand, six hundred forty-three".