11143032121 has 8 divisors (see below), whose sum is σ = 12007177280. Its totient is φ = 10279885392.

The previous prime is 11143032107. The next prime is 11143032167. The reversal of 11143032121 is 12123034111.

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 11143032121 - 2¹⁹ = 11142507833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11143032101) 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, 226341 + ... + 271138.

It is an arithmetic number, because the mean of its divisors is an integer number (1500897160).

Almost surely, 2^11143032121 is an apocalyptic number.

It is an amenable number.

11143032121 is a deficient number, since it is larger than the sum of its proper divisors (864145159).

11143032121 is a wasteful number, since it uses less digits than its factorization.

11143032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499215.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11143032121 its reverse (12123034111), we get a palindrome (23266066232).

The spelling of 11143032121 in words is "eleven billion, one hundred forty-three million, thirty-two thousand, one hundred twenty-one".