1144102043221 has 4 divisors (see below), whose sum is σ = 1148660218944. Its totient is φ = 1139543867500.

The previous prime is 1144102043143. The next prime is 1144102043239. The reversal of 1144102043221 is 1223402014411.

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.

It is a cyclic number.

It is not a de Polignac number, because 1144102043221 - 2²¹ = 1144099946069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144102043251) 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, 2279087485 + ... + 2279087986.

It is an arithmetic number, because the mean of its divisors is an integer number (287165054736).

Almost surely, 2^{1144102043221} is an apocalyptic number.

It is an amenable number.

1144102043221 is a deficient number, since it is larger than the sum of its proper divisors (4558175723).

1144102043221 is an equidigital number, since it uses as much as digits as its factorization.

1144102043221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558175722.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1144102043221 its reverse (1223402014411), we get a palindrome (2367504057632).

The spelling of 1144102043221 in words is "one trillion, one hundred forty-four billion, one hundred two million, forty-three thousand, two hundred twenty-one".