1111411210421 has 4 divisors (see below), whose sum is σ = 1111444185600. Its totient is φ = 1111378235244.

The previous prime is 1111411210411. The next prime is 1111411210433. The reversal of 1111411210421 is 1240121141111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1111411210421 - 2¹⁰ = 1111411209397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111411210393 and 1111411210402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111411210411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16436981 + ... + 16504458.

It is an arithmetic number, because the mean of its divisors is an integer number (277861046400).

Almost surely, 2^{1111411210421} is an apocalyptic number.

It is an amenable number.

1111411210421 is a deficient number, since it is larger than the sum of its proper divisors (32975179).

1111411210421 is an equidigital number, since it uses as much as digits as its factorization.

1111411210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32975178.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 1111411210421 its reverse (1240121141111), we get a palindrome (2351532351532).

The spelling of 1111411210421 in words is "one trillion, one hundred eleven billion, four hundred eleven million, two hundred ten thousand, four hundred twenty-one".