21114122303231 has 8 divisors (see below), whose sum is σ = 21137752203264. Its totient is φ = 21090493398520.

The previous prime is 21114122303221. The next prime is 21114122303251. The reversal of 21114122303231 is 13230322141112.

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 21114122303231 - 2¹⁸ = 21114122041087 is a prime.

It is a super-2 number, since 2×21114122303231² (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 21114122303231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114122303221) 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, 47265386 + ... + 47710008.

It is an arithmetic number, because the mean of its divisors is an integer number (2642219025408).

Almost surely, 2^{21114122303231} is an apocalyptic number.

21114122303231 is a deficient number, since it is larger than the sum of its proper divisors (23629900033).

21114122303231 is an equidigital number, since it uses as much as digits as its factorization.

21114122303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497661.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 21114122303231 its reverse (13230322141112), we get a palindrome (34344444444343).

The spelling of 21114122303231 in words is "twenty-one trillion, one hundred fourteen billion, one hundred twenty-two million, three hundred three thousand, two hundred thirty-one".