202104134321 has 4 divisors (see below), whose sum is σ = 206804230512. Its totient is φ = 197404038132.

The previous prime is 202104134273. The next prime is 202104134363. The reversal of 202104134321 is 123431401202.

202104134321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202104134321 - 2¹⁴ = 202104117937 is a prime.

It is a super-2 number, since 2×202104134321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202104134021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2350048031 + ... + 2350048116.

It is an arithmetic number, because the mean of its divisors is an integer number (51701057628).

Almost surely, 2^202104134321 is an apocalyptic number.

It is an amenable number.

202104134321 is a deficient number, since it is larger than the sum of its proper divisors (4700096191).

202104134321 is an equidigital number, since it uses as much as digits as its factorization.

202104134321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700096190.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 202104134321 its reverse (123431401202), we get a palindrome (325535535523).

The spelling of 202104134321 in words is "two hundred two billion, one hundred four million, one hundred thirty-four thousand, three hundred twenty-one".