11142110321 has 16 divisors (see below), whose sum is σ = 11800598400. Its totient is φ = 10491038208.

The previous prime is 11142110311. The next prime is 11142110327. The reversal of 11142110321 is 12301124111.

It is a cyclic number.

It is not a de Polignac number, because 11142110321 - 2¹⁸ = 11141848177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11142110321.

It is not an unprimeable number, because it can be changed into a prime (11142110327) 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, 2159681 + ... + 2164833.

It is an arithmetic number, because the mean of its divisors is an integer number (737537400).

Almost surely, 2^11142110321 is an apocalyptic number.

It is an amenable number.

11142110321 is a deficient number, since it is larger than the sum of its proper divisors (658488079).

11142110321 is a wasteful number, since it uses less digits than its factorization.

11142110321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5848.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11142110321 its reverse (12301124111), we get a palindrome (23443234432).

The spelling of 11142110321 in words is "eleven billion, one hundred forty-two million, one hundred ten thousand, three hundred twenty-one".