2010121211191 has 2 divisors, whose sum is σ = 2010121211192. Its totient is φ = 2010121211190.

The previous prime is 2010121211149. The next prime is 2010121211209. The reversal of 2010121211191 is 1911121210102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2010121211191 - 2²³ = 2010112822583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010121211141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005060605595 + 1005060605596.

It is an arithmetic number, because the mean of its divisors is an integer number (1005060605596).

Almost surely, 2^{2010121211191} is an apocalyptic number.

2010121211191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010121211191 is an equidigital number, since it uses as much as digits as its factorization.

2010121211191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

Adding to 2010121211191 its reverse (1911121210102), we get a palindrome (3921242421293).

The spelling of 2010121211191 in words is "two trillion, ten billion, one hundred twenty-one million, two hundred eleven thousand, one hundred ninety-one".