200201111421061 has 2 divisors, whose sum is σ = 200201111421062. Its totient is φ = 200201111421060.

The previous prime is 200201111421049. The next prime is 200201111421161. The reversal of 200201111421061 is 160124111102002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170900217640161 + 29300893780900 = 13072881^2 + 5413030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200201111421061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200201111421161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100555710530 + 100100555710531.

It is an arithmetic number, because the mean of its divisors is an integer number (100100555710531).

Almost surely, 2^{200201111421061} is an apocalyptic number.

It is an amenable number.

200201111421061 is a deficient number, since it is larger than the sum of its proper divisors (1).

200201111421061 is an equidigital number, since it uses as much as digits as its factorization.

200201111421061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 200201111421061 its reverse (160124111102002), we get a palindrome (360325222523063).

The spelling of 200201111421061 in words is "two hundred trillion, two hundred one billion, one hundred eleven million, four hundred twenty-one thousand, sixty-one".