200010012200521 has 2 divisors, whose sum is σ = 200010012200522. Its totient is φ = 200010012200520.

The previous prime is 200010012200507. The next prime is 200010012200533. The reversal of 200010012200521 is 125002210010002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122251477314121 + 77758534886400 = 11056739^2 + 8818080^2 .

It is a cyclic number.

It is not a de Polignac number, because 200010012200521 - 2³¹ = 200007864716873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200010012200495 and 200010012200504.

It is not a weakly prime, because it can be changed into another prime (200010012200561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100005006100260 + 100005006100261.

It is an arithmetic number, because the mean of its divisors is an integer number (100005006100261).

Almost surely, 2^{200010012200521} is an apocalyptic number.

It is an amenable number.

200010012200521 is a deficient number, since it is larger than the sum of its proper divisors (1).

200010012200521 is an equidigital number, since it uses as much as digits as its factorization.

200010012200521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 200010012200521 its reverse (125002210010002), we get a palindrome (325012222210523).

The spelling of 200010012200521 in words is "two hundred trillion, ten billion, twelve million, two hundred thousand, five hundred twenty-one".