11114143221 has 16 divisors (see below), whose sum is σ = 15274188864. Its totient is φ = 7184279424.

The previous prime is 11114143217. The next prime is 11114143241. The reversal of 11114143221 is 12234141111.

It is not a de Polignac number, because 11114143221 - 2² = 11114143217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11114143211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296766 + ... + 332111.

It is an arithmetic number, because the mean of its divisors is an integer number (954636804).

Almost surely, 2^11114143221 is an apocalyptic number.

It is an amenable number.

11114143221 is a deficient number, since it is larger than the sum of its proper divisors (4160045643).

11114143221 is a wasteful number, since it uses less digits than its factorization.

11114143221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629060.

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

Adding to 11114143221 its reverse (12234141111), we get a palindrome (23348284332).

The spelling of 11114143221 in words is "eleven billion, one hundred fourteen million, one hundred forty-three thousand, two hundred twenty-one".