1113242404421 has 4 divisors (see below), whose sum is σ = 1272277033632. Its totient is φ = 954207775212.

The previous prime is 1113242404409. The next prime is 1113242404429. The reversal of 1113242404421 is 1244042423111.

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 1113242404421 - 2⁶ = 1113242404357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113242404429) 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, 79517314595 + ... + 79517314608.

It is an arithmetic number, because the mean of its divisors is an integer number (318069258408).

Almost surely, 2^{1113242404421} is an apocalyptic number.

It is an amenable number.

1113242404421 is a deficient number, since it is larger than the sum of its proper divisors (159034629211).

1113242404421 is an equidigital number, since it uses as much as digits as its factorization.

1113242404421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159034629210.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1113242404421 its reverse (1244042423111), we get a palindrome (2357284827532).

The spelling of 1113242404421 in words is "one trillion, one hundred thirteen billion, two hundred forty-two million, four hundred four thousand, four hundred twenty-one".