1144312224021 has 16 divisors (see below), whose sum is σ = 1784502494400. Its totient is φ = 722723509584.

The previous prime is 1144312223981. The next prime is 1144312224023. The reversal of 1144312224021 is 1204222134411.

1144312224021 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 31 + 222 + 402 + 1 = 666.

It is not a de Polignac number, because 1144312224021 - 2⁷ = 1144312223893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144312224023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1115313546 + ... + 1115314571.

It is an arithmetic number, because the mean of its divisors is an integer number (111531405900).

Almost surely, 2^{1144312224021} is an apocalyptic number.

It is an amenable number.

1144312224021 is a deficient number, since it is larger than the sum of its proper divisors (640190270379).

1144312224021 is a wasteful number, since it uses less digits than its factorization.

1144312224021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230628145 (or 2230628139 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1144312224021 its reverse (1204222134411), we get a palindrome (2348534358432).

The spelling of 1144312224021 in words is "one trillion, one hundred forty-four billion, three hundred twelve million, two hundred twenty-four thousand, twenty-one".