200042231313121 has 4 divisors (see below), whose sum is σ = 200042260156672. Its totient is φ = 200042202469572.

The previous prime is 200042231313101. The next prime is 200042231313187. The reversal of 200042231313121 is 121313132240002.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200042231313121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200042231313101) 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, 2982760 + ... + 20223286.

It is an arithmetic number, because the mean of its divisors is an integer number (50010565039168).

Almost surely, 2^{200042231313121} is an apocalyptic number.

It is an amenable number.

200042231313121 is a deficient number, since it is larger than the sum of its proper divisors (28843551).

200042231313121 is a wasteful number, since it uses less digits than its factorization.

200042231313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28843550.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 200042231313121 its reverse (121313132240002), we get a palindrome (321355363553123).

The spelling of 200042231313121 in words is "two hundred trillion, forty-two billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred twenty-one".