2144321443201 has 16 divisors (see below), whose sum is σ = 2465020672128. Its totient is φ = 1827215856000.

The previous prime is 2144321443193. The next prime is 2144321443217. The reversal of 2144321443201 is 1023441234412.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2144321443201 - 2³ = 2144321443193 is a prime.

It is a super-2 number, since 2×2144321443201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2144321443241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16223341 + ... + 16354981.

It is an arithmetic number, because the mean of its divisors is an integer number (154063792008).

Almost surely, 2^{2144321443201} is an apocalyptic number.

It is an amenable number.

2144321443201 is a deficient number, since it is larger than the sum of its proper divisors (320699228927).

2144321443201 is a wasteful number, since it uses less digits than its factorization.

2144321443201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145272.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 2144321443201 its reverse (1023441234412), we get a palindrome (3167762677613).

The spelling of 2144321443201 in words is "two trillion, one hundred forty-four billion, three hundred twenty-one million, four hundred forty-three thousand, two hundred one".