100201330081 has 2 divisors, whose sum is σ = 100201330082. Its totient is φ = 100201330080.

The previous prime is 100201330067. The next prime is 100201330171. The reversal of 100201330081 is 180033102001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95506339681 + 4694990400 = 309041^2 + 68520^2 .

It is a cyclic number.

It is not a de Polignac number, because 100201330081 - 2¹³ = 100201321889 is a prime.

It is a super-2 number, since 2×100201330081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100201300081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50100665040 + 50100665041.

It is an arithmetic number, because the mean of its divisors is an integer number (50100665041).

Almost surely, 2^100201330081 is an apocalyptic number.

It is an amenable number.

100201330081 is a deficient number, since it is larger than the sum of its proper divisors (1).

100201330081 is an equidigital number, since it uses as much as digits as its factorization.

100201330081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 100201330081 its reverse (180033102001), we get a palindrome (280234432082).

The spelling of 100201330081 in words is "one hundred billion, two hundred one million, three hundred thirty thousand, eighty-one".