21114403302331 has 8 divisors (see below), whose sum is σ = 21155838683264. Its totient is φ = 21072989799360.

The previous prime is 21114403302329. The next prime is 21114403302341. The reversal of 21114403302331 is 13320330441112.

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 21114403302331 - 2¹ = 21114403302329 is a prime.

It is a super-2 number, since 2×21114403302331² (a number of 27 digits) contains 22 as substring.

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 21114403302331.

It is not an unprimeable number, because it can be changed into a prime (21114403302341) 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, 3536730 + ... + 7398463.

It is an arithmetic number, because the mean of its divisors is an integer number (2644479835408).

Almost surely, 2^{21114403302331} is an apocalyptic number.

21114403302331 is a deficient number, since it is larger than the sum of its proper divisors (41435380933).

21114403302331 is a wasteful number, since it uses less digits than its factorization.

21114403302331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10938981.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 21114403302331 its reverse (13320330441112), we get a palindrome (34434733743443).

The spelling of 21114403302331 in words is "twenty-one trillion, one hundred fourteen billion, four hundred three million, three hundred two thousand, three hundred thirty-one".