200000121211061 has 2 divisors, whose sum is σ = 200000121211062. Its totient is φ = 200000121211060.

The previous prime is 200000121211049. The next prime is 200000121211117. The reversal of 200000121211061 is 160112121000002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199997719623025 + 2401588036 = 14142055^2 + 49006^2 .

It is a cyclic number.

It is not a de Polignac number, because 200000121211061 - 2²⁶ = 200000054102197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200000121211031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000060605530 + 100000060605531.

It is an arithmetic number, because the mean of its divisors is an integer number (100000060605531).

Almost surely, 2^{200000121211061} is an apocalyptic number.

It is an amenable number.

200000121211061 is a deficient number, since it is larger than the sum of its proper divisors (1).

200000121211061 is an equidigital number, since it uses as much as digits as its factorization.

200000121211061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 200000121211061 its reverse (160112121000002), we get a palindrome (360112242211063).

The spelling of 200000121211061 in words is "two hundred trillion, one hundred twenty-one million, two hundred eleven thousand, sixty-one".