14001441421221 has 12 divisors (see below), whose sum is σ = 20225176727340. Its totient is φ = 9333891610560.

The previous prime is 14001441421217. The next prime is 14001441421273. The reversal of 14001441421221 is 12212414410041.

14001441421221 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 1 + 4 + 414 + 21 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8229382316100 + 5772059105121 = 2868690^2 + 2402511^2 .

It is not a de Polignac number, because 14001441421221 - 2² = 14001441421217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14001441421021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33335560 + ... + 33752961.

It is an arithmetic number, because the mean of its divisors is an integer number (1685431393945).

Almost surely, 2^{14001441421221} is an apocalyptic number.

It is an amenable number.

14001441421221 is a deficient number, since it is larger than the sum of its proper divisors (6223735306119).

14001441421221 is a wasteful number, since it uses less digits than its factorization.

14001441421221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67111716 (or 67111713 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 14001441421221 its reverse (12212414410041), we get a palindrome (26213855831262).

The spelling of 14001441421221 in words is "fourteen trillion, one billion, four hundred forty-one million, four hundred twenty-one thousand, two hundred twenty-one".