1101201102191 has 4 divisors (see below), whose sum is σ = 1165977637632. Its totient is φ = 1036424566752.

The previous prime is 1101201102149. The next prime is 1101201102217. The reversal of 1101201102191 is 1912011021011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101201102191 - 2¹⁴ = 1101201085807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101201132191) 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 in 3 ways as a sum of consecutive naturals, for example, 32388267695 + ... + 32388267728.

It is an arithmetic number, because the mean of its divisors is an integer number (291494409408).

Almost surely, 2^{1101201102191} is an apocalyptic number.

1101201102191 is a deficient number, since it is larger than the sum of its proper divisors (64776535441).

1101201102191 is an equidigital number, since it uses as much as digits as its factorization.

1101201102191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64776535440.

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

The spelling of 1101201102191 in words is "one trillion, one hundred one billion, two hundred one million, one hundred two thousand, one hundred ninety-one".