14021231221123 has 4 divisors (see below), whose sum is σ = 16024264252720. Its totient is φ = 12018198189528.

The previous prime is 14021231221117. The next prime is 14021231221133. The reversal of 14021231221123 is 32112213212041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14021231221123 - 2⁹ = 14021231220611 is a prime.

It is a super-2 number, since 2×14021231221123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14021231221133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001516515788 + ... + 1001516515801.

It is an arithmetic number, because the mean of its divisors is an integer number (4006066063180).

Almost surely, 2^{14021231221123} is an apocalyptic number.

14021231221123 is a deficient number, since it is larger than the sum of its proper divisors (2003033031597).

14021231221123 is an equidigital number, since it uses as much as digits as its factorization.

14021231221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003033031596.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 14021231221123 its reverse (32112213212041), we get a palindrome (46133444433164).

The spelling of 14021231221123 in words is "fourteen trillion, twenty-one billion, two hundred thirty-one million, two hundred twenty-one thousand, one hundred twenty-three".