200101011010001 has 2 divisors, whose sum is σ = 200101011010002. Its totient is φ = 200101011010000.

The previous prime is 200101011009997. The next prime is 200101011010013. The reversal of 200101011010001 is 100010110101002.

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., 196015260297025 + 4085750712976 = 14000545^2 + 2021324^2 .

It is a cyclic number.

It is not a de Polignac number, because 200101011010001 - 2² = 200101011009997 is a prime.

It is not a weakly prime, because it can be changed into another prime (200101011010501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100050505505000 + 100050505505001.

It is an arithmetic number, because the mean of its divisors is an integer number (100050505505001).

Almost surely, 2^{200101011010001} is an apocalyptic number.

It is an amenable number.

200101011010001 is a deficient number, since it is larger than the sum of its proper divisors (1).

200101011010001 is an equidigital number, since it uses as much as digits as its factorization.

200101011010001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 200101011010001 its reverse (100010110101002), we get a palindrome (300111121111003).

The spelling of 200101011010001 in words is "two hundred trillion, one hundred one billion, eleven million, ten thousand, one".