14011021021 has 16 divisors (see below), whose sum is σ = 15470346240. Its totient is φ = 12629936880.

The previous prime is 14011021001. The next prime is 14011021027. The reversal of 14011021021 is 12012011041.

It is not a de Polignac number, because 14011021021 - 2²⁷ = 13876803293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14011020992 and 14011021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14011021027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465 + ... + 167398.

It is an arithmetic number, because the mean of its divisors is an integer number (966896640).

Almost surely, 2^14011021021 is an apocalyptic number.

It is an amenable number.

14011021021 is a deficient number, since it is larger than the sum of its proper divisors (1459325219).

14011021021 is a wasteful number, since it uses less digits than its factorization.

14011021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168096.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 14011021021 its reverse (12012011041), we get a palindrome (26023032062).

The spelling of 14011021021 in words is "fourteen billion, eleven million, twenty-one thousand, twenty-one".