1102201020191 has 2 divisors, whose sum is σ = 1102201020192. Its totient is φ = 1102201020190.

The previous prime is 1102201020181. The next prime is 1102201020223. The reversal of 1102201020191 is 1910201022011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1102201020191 - 2³⁸ = 827323113247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102201020161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551100510095 + 551100510096.

It is an arithmetic number, because the mean of its divisors is an integer number (551100510096).

Almost surely, 2^{1102201020191} is an apocalyptic number.

1102201020191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102201020191 is an equidigital number, since it uses as much as digits as its factorization.

1102201020191 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 20.

The spelling of 1102201020191 in words is "one trillion, one hundred two billion, two hundred one million, twenty thousand, one hundred ninety-one".