200120301010081 has 2 divisors, whose sum is σ = 200120301010082. Its totient is φ = 200120301010080.

The previous prime is 200120301010051. The next prime is 200120301010129. The reversal of 200120301010081 is 180010103021002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118055091779856 + 82065209230225 = 10865316^2 + 9058985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200120301010081 is a prime.

It is a super-3 number, since 3×200120301010081³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (200120301010051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060150505040 + 100060150505041.

It is an arithmetic number, because the mean of its divisors is an integer number (100060150505041).

Almost surely, 2^{200120301010081} is an apocalyptic number.

It is an amenable number.

200120301010081 is a deficient number, since it is larger than the sum of its proper divisors (1).

200120301010081 is an equidigital number, since it uses as much as digits as its factorization.

200120301010081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 200120301010081 its reverse (180010103021002), we get a palindrome (380130404031083).

The spelling of 200120301010081 in words is "two hundred trillion, one hundred twenty billion, three hundred one million, ten thousand, eighty-one".