14012021041021 has 4 divisors (see below), whose sum is σ = 14012843022112. Its totient is φ = 14011199059932.

The previous prime is 14012021041019. The next prime is 14012021041069. The reversal of 14012021041021 is 12014012021041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14012021041021 - 2¹ = 14012021041019 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 14012021041021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14012091041021) 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, 410964975 + ... + 410999068.

It is an arithmetic number, because the mean of its divisors is an integer number (3503210755528).

Almost surely, 2^{14012021041021} is an apocalyptic number.

It is an amenable number.

14012021041021 is a deficient number, since it is larger than the sum of its proper divisors (821981091).

14012021041021 is an equidigital number, since it uses as much as digits as its factorization.

14012021041021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821981090.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 14012021041021 its reverse (12014012021041), we get a palindrome (26026033062062).

The spelling of 14012021041021 in words is "fourteen trillion, twelve billion, twenty-one million, forty-one thousand, twenty-one".