1144022043421 has 2 divisors, whose sum is σ = 1144022043422. Its totient is φ = 1144022043420.

The previous prime is 1144022043397. The next prime is 1144022043433. The reversal of 1144022043421 is 1243402204411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1077257168100 + 66764875321 = 1037910^2 + 258389^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144022043421 - 2¹⁷ = 1144021912349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144022043421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144022043721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572011021710 + 572011021711.

It is an arithmetic number, because the mean of its divisors is an integer number (572011021711).

Almost surely, 2^{1144022043421} is an apocalyptic number.

It is an amenable number.

1144022043421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144022043421 is an equidigital number, since it uses as much as digits as its factorization.

1144022043421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1144022043421 its reverse (1243402204411), we get a palindrome (2387424247832).

The spelling of 1144022043421 in words is "one trillion, one hundred forty-four billion, twenty-two million, forty-three thousand, four hundred twenty-one".