144114212221 has 4 divisors (see below), whose sum is σ = 164701956832. Its totient is φ = 123526467612.

The previous prime is 144114212219. The next prime is 144114212239. The reversal of 144114212221 is 122212411441.

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: 122212411441 = 12503 ⋅9774647.

It is a cyclic number.

It is not a de Polignac number, because 144114212221 - 2¹ = 144114212219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144114212261) 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, 10293872295 + ... + 10293872308.

It is an arithmetic number, because the mean of its divisors is an integer number (41175489208).

Almost surely, 2^144114212221 is an apocalyptic number.

It is an amenable number.

144114212221 is a deficient number, since it is larger than the sum of its proper divisors (20587744611).

144114212221 is an equidigital number, since it uses as much as digits as its factorization.

144114212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20587744610.

The product of its digits is 1024, while the sum is 25.

Adding to 144114212221 its reverse (122212411441), we get a palindrome (266326623662).

The spelling of 144114212221 in words is "one hundred forty-four billion, one hundred fourteen million, two hundred twelve thousand, two hundred twenty-one".