11114121421 has 8 divisors (see below), whose sum is σ = 12599004320. Its totient is φ = 9719231472.

The previous prime is 11114121397. The next prime is 11114121449. The reversal of 11114121421 is 12412141111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11114121421 - 2²¹ = 11112024269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11114121451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22497975 + ... + 22498468.

It is an arithmetic number, because the mean of its divisors is an integer number (1574875540).

Almost surely, 2^11114121421 is an apocalyptic number.

It is an amenable number.

11114121421 is a deficient number, since it is larger than the sum of its proper divisors (1484882899).

11114121421 is a wasteful number, since it uses less digits than its factorization.

11114121421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44996475.

The product of its digits is 64, while the sum is 19.

Adding to 11114121421 its reverse (12412141111), we get a palindrome (23526262532).

The spelling of 11114121421 in words is "eleven billion, one hundred fourteen million, one hundred twenty-one thousand, four hundred twenty-one".