11110331021 has 8 divisors (see below), whose sum is σ = 11196276000. Its totient is φ = 11024472240.

The previous prime is 11110330999. The next prime is 11110331041. The reversal of 11110331021 is 12013301111.

It is a happy number.

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 11110331021 - 2¹⁸ = 11110068877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110330987 and 11110331005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110331041) 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, 250406 + ... + 291416.

It is an arithmetic number, because the mean of its divisors is an integer number (1399534500).

Almost surely, 2^11110331021 is an apocalyptic number.

It is an amenable number.

11110331021 is a deficient number, since it is larger than the sum of its proper divisors (85944979).

11110331021 is a wasteful number, since it uses less digits than its factorization.

11110331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43099.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11110331021 its reverse (12013301111), we get a palindrome (23123632132).

The spelling of 11110331021 in words is "eleven billion, one hundred ten million, three hundred thirty-one thousand, twenty-one".