1144322115021 has 12 divisors (see below), whose sum is σ = 1688078014272. Its totient is φ = 746649890376.

The previous prime is 1144322115019. The next prime is 1144322115037. The reversal of 1144322115021 is 1205112234411.

1144322115021 is a `hidden beast` number, since 1 + 1 + 443 + 2 + 211 + 5 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 1144322115021 - 2¹ = 1144322115019 is a prime.

It is a super-2 number, since 2×1144322115021² (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 (1144322115071) 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, 1352626191 + ... + 1352627036.

It is an arithmetic number, because the mean of its divisors is an integer number (140673167856).

Almost surely, 2^{1144322115021} is an apocalyptic number.

It is an amenable number.

1144322115021 is a deficient number, since it is larger than the sum of its proper divisors (543755899251).

1144322115021 is a wasteful number, since it uses less digits than its factorization.

1144322115021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705253280 (or 2705253277 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 1144322115021 its reverse (1205112234411), we get a palindrome (2349434349432).

The spelling of 1144322115021 in words is "one trillion, one hundred forty-four billion, three hundred twenty-two million, one hundred fifteen thousand, twenty-one".