201010210131091 has 2 divisors, whose sum is σ = 201010210131092. Its totient is φ = 201010210131090.

The previous prime is 201010210131001. The next prime is 201010210131103. The reversal of 201010210131091 is 190131012010102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201010210131091 - 2⁴⁵ = 165825838042259 is a prime.

It is not a weakly prime, because it can be changed into another prime (201010210131001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100505105065545 + 100505105065546.

It is an arithmetic number, because the mean of its divisors is an integer number (100505105065546).

Almost surely, 2^{201010210131091} is an apocalyptic number.

201010210131091 is a deficient number, since it is larger than the sum of its proper divisors (1).

201010210131091 is an equidigital number, since it uses as much as digits as its factorization.

201010210131091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 22.

Adding to 201010210131091 its reverse (190131012010102), we get a palindrome (391141222141193).

The spelling of 201010210131091 in words is "two hundred one trillion, ten billion, two hundred ten million, one hundred thirty-one thousand, ninety-one".