14002220401421 has 24 divisors (see below), whose sum is σ = 17489339902656. Its totient is φ = 11136811539840.

The previous prime is 14002220401417. The next prime is 14002220401427. The reversal of 14002220401421 is 12410402220041.

14002220401421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14002220401421 - 2² = 14002220401417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14002220401427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118316831 + ... + 118435116.

It is an arithmetic number, because the mean of its divisors is an integer number (728722495944).

Almost surely, 2^{14002220401421} is an apocalyptic number.

It is an amenable number.

14002220401421 is a deficient number, since it is larger than the sum of its proper divisors (3487119501235).

14002220401421 is a wasteful number, since it uses less digits than its factorization.

14002220401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236752049 (or 236752042 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 14002220401421 its reverse (12410402220041), we get a palindrome (26412622621462).

The spelling of 14002220401421 in words is "fourteen trillion, two billion, two hundred twenty million, four hundred one thousand, four hundred twenty-one".