14121505121 has 4 divisors (see below), whose sum is σ = 14135097600. Its totient is φ = 14107912644.

The previous prime is 14121505117. The next prime is 14121505127. The reversal of 14121505121 is 12150512141.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12150512141 = 19 ⋅639500639.

It is a cyclic number.

It is not a de Polignac number, because 14121505121 - 2² = 14121505117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14121505127) 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, 6794681 + ... + 6796758.

It is an arithmetic number, because the mean of its divisors is an integer number (3533774400).

Almost surely, 2^14121505121 is an apocalyptic number.

It is an amenable number.

14121505121 is a deficient number, since it is larger than the sum of its proper divisors (13592479).

14121505121 is a wasteful number, since it uses less digits than its factorization.

14121505121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13592478.

The product of its (nonzero) digits is 400, while the sum is 23.

The spelling of 14121505121 in words is "fourteen billion, one hundred twenty-one million, five hundred five thousand, one hundred twenty-one".