201012101211001 has 2 divisors, whose sum is σ = 201012101211002. Its totient is φ = 201012101211000.

The previous prime is 201012101210983. The next prime is 201012101211007. The reversal of 201012101211001 is 100112101210102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144754585960000 + 56257515251001 = 12031400^2 + 7500501^2 .

It is a cyclic number.

It is not a de Polignac number, because 201012101211001 - 2²³ = 201012092822393 is a prime.

It is not a weakly prime, because it can be changed into another prime (201012101211007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506050605500 + 100506050605501.

It is an arithmetic number, because the mean of its divisors is an integer number (100506050605501).

Almost surely, 2^{201012101211001} is an apocalyptic number.

It is an amenable number.

201012101211001 is a deficient number, since it is larger than the sum of its proper divisors (1).

201012101211001 is an equidigital number, since it uses as much as digits as its factorization.

201012101211001 is an odious number, because the sum of its binary digits is odd.

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

Adding to 201012101211001 its reverse (100112101210102), we get a palindrome (301124202421103).

The spelling of 201012101211001 in words is "two hundred one trillion, twelve billion, one hundred one million, two hundred eleven thousand, one".