200134211321 has 4 divisors (see below), whose sum is σ = 218328230544. Its totient is φ = 181940192100.

The previous prime is 200134211311. The next prime is 200134211357. The reversal of 200134211321 is 123112431002.

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 a de Polignac number, because none of the positive numbers 2^k-200134211321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200134211293 and 200134211302.

It is not an unprimeable number, because it can be changed into a prime (200134211311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9097009595 + ... + 9097009616.

It is an arithmetic number, because the mean of its divisors is an integer number (54582057636).

Almost surely, 2^200134211321 is an apocalyptic number.

It is an amenable number.

200134211321 is a deficient number, since it is larger than the sum of its proper divisors (18194019223).

200134211321 is a wasteful number, since it uses less digits than its factorization.

200134211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18194019222.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 200134211321 its reverse (123112431002), we get a palindrome (323246642323).

The spelling of 200134211321 in words is "two hundred billion, one hundred thirty-four million, two hundred eleven thousand, three hundred twenty-one".