2130004054421 has 4 divisors (see below), whose sum is σ = 2130016459500. Its totient is φ = 2129991649344.

The previous prime is 2130004054411. The next prime is 2130004054427. The reversal of 2130004054421 is 1244504000312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1352231751025 + 777772303396 = 1162855^2 + 881914^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130004054421 - 2⁶ = 2130004054357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130004054427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5941316 + ... + 6289613.

It is an arithmetic number, because the mean of its divisors is an integer number (532504114875).

Almost surely, 2^{2130004054421} is an apocalyptic number.

It is an amenable number.

2130004054421 is a deficient number, since it is larger than the sum of its proper divisors (12405079).

2130004054421 is a wasteful number, since it uses less digits than its factorization.

2130004054421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12405078.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 2130004054421 its reverse (1244504000312), we get a palindrome (3374508054733).

The spelling of 2130004054421 in words is "two trillion, one hundred thirty billion, four million, fifty-four thousand, four hundred twenty-one".