201101131191 has 8 divisors (see below), whose sum is σ = 272679500160. Its totient is φ = 131795091512.

The previous prime is 201101131177. The next prime is 201101131237. The reversal of 201101131191 is 191131101102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201101131191 - 2¹⁷ = 201101000119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101131111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568082115 + ... + 568082468.

It is an arithmetic number, because the mean of its divisors is an integer number (34084937520).

Almost surely, 2^201101131191 is an apocalyptic number.

201101131191 is a deficient number, since it is larger than the sum of its proper divisors (71578368969).

201101131191 is a wasteful number, since it uses less digits than its factorization.

201101131191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136164645.

The product of its (nonzero) digits is 54, while the sum is 21.

Adding to 201101131191 its reverse (191131101102), we get a palindrome (392232232293).

The spelling of 201101131191 in words is "two hundred one billion, one hundred one million, one hundred thirty-one thousand, one hundred ninety-one".