120121202001191 has 2 divisors, whose sum is σ = 120121202001192. Its totient is φ = 120121202001190.

The previous prime is 120121202001149. The next prime is 120121202001247. The reversal of 120121202001191 is 191100202121021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120121202001191 - 2¹⁴ = 120121201984807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120121202001091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060601000595 + 60060601000596.

It is an arithmetic number, because the mean of its divisors is an integer number (60060601000596).

Almost surely, 2^{120121202001191} is an apocalyptic number.

120121202001191 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121202001191 is an equidigital number, since it uses as much as digits as its factorization.

120121202001191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 120121202001191 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred two million, one thousand, one hundred ninety-one".