1202101110191 has 2 divisors, whose sum is σ = 1202101110192. Its totient is φ = 1202101110190.

The previous prime is 1202101110179. The next prime is 1202101110227. The reversal of 1202101110191 is 1910111012021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202101110191 - 2³⁰ = 1201027368367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202101110131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601050555095 + 601050555096.

It is an arithmetic number, because the mean of its divisors is an integer number (601050555096).

Almost surely, 2^{1202101110191} is an apocalyptic number.

1202101110191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202101110191 is an equidigital number, since it uses as much as digits as its factorization.

1202101110191 is an evil number, because the sum of its binary digits is even.

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

The spelling of 1202101110191 in words is "one trillion, two hundred two billion, one hundred one million, one hundred ten thousand, one hundred ninety-one".