1144244013021 has 12 divisors (see below), whose sum is σ = 1652806258272. Its totient is φ = 762825026376.

The previous prime is 1144244012999. The next prime is 1144244013037. The reversal of 1144244013021 is 1203104424411.

1144244013021 is a `hidden beast` number, since 114 + 4 + 244 + 0 + 1 + 302 + 1 = 666.

It is not a de Polignac number, because 1144244013021 - 2³⁰ = 1143170271197 is a prime.

It is a super-2 number, since 2×1144244013021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144244053021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2611270 + ... + 3017816.

It is an arithmetic number, because the mean of its divisors is an integer number (137733854856).

Almost surely, 2^{1144244013021} is an apocalyptic number.

It is an amenable number.

1144244013021 is a deficient number, since it is larger than the sum of its proper divisors (508562245251).

1144244013021 is a wasteful number, since it uses less digits than its factorization.

1144244013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719280 (or 719277 counting only the distinct ones).

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

Adding to 1144244013021 its reverse (1203104424411), we get a palindrome (2347348437432).

The spelling of 1144244013021 in words is "one trillion, one hundred forty-four billion, two hundred forty-four million, thirteen thousand, twenty-one".