200121360601 has 2 divisors, whose sum is σ = 200121360602. Its totient is φ = 200121360600.

The previous prime is 200121360539. The next prime is 200121360643. The reversal of 200121360601 is 106063121002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133104577225 + 67016783376 = 364835^2 + 258876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200121360601 is a prime.

It is not a weakly prime, because it can be changed into another prime (200121369601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060680300 + 100060680301.

It is an arithmetic number, because the mean of its divisors is an integer number (100060680301).

Almost surely, 2^200121360601 is an apocalyptic number.

It is an amenable number.

200121360601 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121360601 is an equidigital number, since it uses as much as digits as its factorization.

200121360601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 200121360601 its reverse (106063121002), we get a palindrome (306184481603).

The spelling of 200121360601 in words is "two hundred billion, one hundred twenty-one million, three hundred sixty thousand, six hundred one".