1104144432021 has 24 divisors (see below), whose sum is σ = 1654148924064. Its totient is φ = 736005417840.

The previous prime is 1104144431977. The next prime is 1104144432049. The reversal of 1104144432021 is 1202344414011.

1104144432021 is a `hidden beast` number, since 1 + 1 + 0 + 4 + 14 + 443 + 202 + 1 = 666.

It is not a de Polignac number, because 1104144432021 - 2¹⁴ = 1104144415637 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 (1104144432221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1721350 + ... + 2274056.

It is an arithmetic number, because the mean of its divisors is an integer number (68922871836).

Almost surely, 2^{1104144432021} is an apocalyptic number.

It is an amenable number.

1104144432021 is a deficient number, since it is larger than the sum of its proper divisors (550004492043).

1104144432021 is an frugal number, since it uses more digits than its factorization.

1104144432021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560943 (or 560931 counting only the distinct ones).

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

Adding to 1104144432021 its reverse (1202344414011), we get a palindrome (2306488846032).

The spelling of 1104144432021 in words is "one trillion, one hundred four billion, one hundred forty-four million, four hundred thirty-two thousand, twenty-one".