1111211044403 has 4 divisors (see below), whose sum is σ = 1111214408808. Its totient is φ = 1111207680000.

The previous prime is 1111211044393. The next prime is 1111211044429. The reversal of 1111211044403 is 3044401121111.

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 1111211044403 - 2¹² = 1111211040307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111211044483) 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, 1125326 + ... + 1867827.

It is an arithmetic number, because the mean of its divisors is an integer number (277803602202).

Almost surely, 2^{1111211044403} is an apocalyptic number.

1111211044403 is a deficient number, since it is larger than the sum of its proper divisors (3364405).

1111211044403 is an equidigital number, since it uses as much as digits as its factorization.

1111211044403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364404.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1111211044403 its reverse (3044401121111), we get a palindrome (4155612165514).

The spelling of 1111211044403 in words is "one trillion, one hundred eleven billion, two hundred eleven million, forty-four thousand, four hundred three".