1440443202101 has 2 divisors, whose sum is σ = 1440443202102. Its totient is φ = 1440443202100.

The previous prime is 1440443202097. The next prime is 1440443202103. The reversal of 1440443202101 is 1012023440441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 864360684100 + 576082518001 = 929710^2 + 759001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440443202101 - 2² = 1440443202097 is a prime.

Together with 1440443202103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440443202103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720221601050 + 720221601051.

It is an arithmetic number, because the mean of its divisors is an integer number (720221601051).

Almost surely, 2^{1440443202101} is an apocalyptic number.

It is an amenable number.

1440443202101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440443202101 is an equidigital number, since it uses as much as digits as its factorization.

1440443202101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1440443202101 its reverse (1012023440441), we get a palindrome (2452466642542).

The spelling of 1440443202101 in words is "one trillion, four hundred forty billion, four hundred forty-three million, two hundred two thousand, one hundred one".