1123041304211 has 4 divisors (see below), whose sum is σ = 1123129185024. Its totient is φ = 1122953423400.

The previous prime is 1123041304201. The next prime is 1123041304241. The reversal of 1123041304211 is 1124031403211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123041304211 is a prime.

It is a super-2 number, since 2×1123041304211² (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 (1123041304201) 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, 43921235 + ... + 43946796.

It is an arithmetic number, because the mean of its divisors is an integer number (280782296256).

Almost surely, 2^{1123041304211} is an apocalyptic number.

1123041304211 is a deficient number, since it is larger than the sum of its proper divisors (87880813).

1123041304211 is an equidigital number, since it uses as much as digits as its factorization.

1123041304211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87880812.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1123041304211 its reverse (1124031403211), we get a palindrome (2247072707422).

The spelling of 1123041304211 in words is "one trillion, one hundred twenty-three billion, forty-one million, three hundred four thousand, two hundred eleven".