801011010001 has 2 divisors, whose sum is σ = 801011010002. Its totient is φ = 801011010000.

The previous prime is 801011009993. The next prime is 801011010011. The reversal of 801011010001 is 100010110108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 794068121025 + 6942888976 = 891105^2 + 83324^2 .

It is a cyclic number.

It is not a de Polignac number, because 801011010001 - 2³ = 801011009993 is a prime.

It is not a weakly prime, because it can be changed into another prime (801011010011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400505505000 + 400505505001.

It is an arithmetic number, because the mean of its divisors is an integer number (400505505001).

Almost surely, 2^801011010001 is an apocalyptic number.

It is an amenable number.

801011010001 is a deficient number, since it is larger than the sum of its proper divisors (1).

801011010001 is an equidigital number, since it uses as much as digits as its factorization.

801011010001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 801011010001 its reverse (100010110108), we get a palindrome (901021120109).

The spelling of 801011010001 in words is "eight hundred one billion, eleven million, ten thousand, one".