1201120101191 has 2 divisors, whose sum is σ = 1201120101192. Its totient is φ = 1201120101190.

The previous prime is 1201120101179. The next prime is 1201120101239. The reversal of 1201120101191 is 1911010211021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201120101191 - 2¹⁴ = 1201120084807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201120101991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600560050595 + 600560050596.

It is an arithmetic number, because the mean of its divisors is an integer number (600560050596).

Almost surely, 2^{1201120101191} is an apocalyptic number.

1201120101191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201120101191 is an equidigital number, since it uses as much as digits as its factorization.

1201120101191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 1201120101191 in words is "one trillion, two hundred one billion, one hundred twenty million, one hundred one thousand, one hundred ninety-one".