14002001432121 has 4 divisors (see below), whose sum is σ = 18669335242832. Its totient is φ = 9334667621412.

The previous prime is 14002001432101. The next prime is 14002001432129. The reversal of 14002001432121 is 12123410020041.

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 not a de Polignac number, because 14002001432121 - 2⁷ = 14002001431993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14002001432129) 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, 2333666905351 + ... + 2333666905356.

It is an arithmetic number, because the mean of its divisors is an integer number (4667333810708).

Almost surely, 2^{14002001432121} is an apocalyptic number.

It is an amenable number.

14002001432121 is a deficient number, since it is larger than the sum of its proper divisors (4667333810711).

14002001432121 is an equidigital number, since it uses as much as digits as its factorization.

14002001432121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667333810710.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 14002001432121 its reverse (12123410020041), we get a palindrome (26125411452162).

The spelling of 14002001432121 in words is "fourteen trillion, two billion, one million, four hundred thirty-two thousand, one hundred twenty-one".