11141213421 has 32 divisors (see below), whose sum is σ = 16215478272. Its totient is φ = 6763032000.

The previous prime is 11141213401. The next prime is 11141213431. The reversal of 11141213421 is 12431214111.

It is not a de Polignac number, because 11141213421 - 2¹⁵ = 11141180653 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11141213401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2428696 + ... + 2433278.

It is an arithmetic number, because the mean of its divisors is an integer number (506733696).

Almost surely, 2^11141213421 is an apocalyptic number.

It is an amenable number.

11141213421 is a deficient number, since it is larger than the sum of its proper divisors (5074264851).

11141213421 is a wasteful number, since it uses less digits than its factorization.

11141213421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433.

The product of its digits is 192, while the sum is 21.

Adding to 11141213421 its reverse (12431214111), we get a palindrome (23572427532).

The spelling of 11141213421 in words is "eleven billion, one hundred forty-one million, two hundred thirteen thousand, four hundred twenty-one".