1123442443211 has 6 divisors (see below), whose sum is σ = 1234858222836. Its totient is φ = 1021311311900.

The previous prime is 1123442443199. The next prime is 1123442443223.

1123442443211 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (1123442443199) and next prime (1123442443223).

It is a de Polignac number, because none of the positive numbers 2^k-1123442443211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123442443271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4642324025 + ... + 4642324266.

It is an arithmetic number, because the mean of its divisors is an integer number (205809703806).

Almost surely, 2^{1123442443211} is an apocalyptic number.

1123442443211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1123442443211 is a deficient number, since it is larger than the sum of its proper divisors (111415779625).

1123442443211 is an equidigital number, since it uses as much as digits as its factorization.

1123442443211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9284648313 (or 9284648302 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The spelling of 1123442443211 in words is "one trillion, one hundred twenty-three billion, four hundred forty-two million, four hundred forty-three thousand, two hundred eleven".