2021134403004 has 24 divisors (see below), whose sum is σ = 4719151788288. Its totient is φ = 673258394160.

The previous prime is 2021134402999. The next prime is 2021134403047. The reversal of 2021134403004 is 4003044311202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56615602 + ... + 56651289.

It is an arithmetic number, because the mean of its divisors is an integer number (196631324512).

Almost surely, 2^{2021134403004} is an apocalyptic number.

It is an amenable number.

2021134403004 is an abundant number, since it is smaller than the sum of its proper divisors (2698017385284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021134403004 is a wasteful number, since it uses less digits than its factorization.

2021134403004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113268385 (or 113268383 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2021134403004 its reverse (4003044311202), we get a palindrome (6024178714206).

The spelling of 2021134403004 in words is "two trillion, twenty-one billion, one hundred thirty-four million, four hundred three thousand, four".