1104042021131 has 6 divisors (see below), whose sum is σ = 1284293779740. Its totient is φ = 946321732356.

The previous prime is 1104042021073. The next prime is 1104042021139. The reversal of 1104042021131 is 1311202404011.

It is not a de Polignac number, because 1104042021131 - 2³⁰ = 1102968279307 is a prime.

It is a super-2 number, since 2×1104042021131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1104042021139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11265734861 + ... + 11265734958.

It is an arithmetic number, because the mean of its divisors is an integer number (214048963290).

Almost surely, 2^{1104042021131} is an apocalyptic number.

1104042021131 is a deficient number, since it is larger than the sum of its proper divisors (180251758609).

1104042021131 is an equidigital number, since it uses as much as digits as its factorization.

1104042021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22531469833 (or 22531469826 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1104042021131 its reverse (1311202404011), we get a palindrome (2415244425142).

The spelling of 1104042021131 in words is "one trillion, one hundred four billion, forty-two million, twenty-one thousand, one hundred thirty-one".