101132191 has 2 divisors, whose sum is σ = 101132192. Its totient is φ = 101132190.

The previous prime is 101132189. The next prime is 101132233. The reversal of 101132191 is 191231101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101132191 - 2¹ = 101132189 is a prime.

Together with 101132189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101132791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50566095 + 50566096.

It is an arithmetic number, because the mean of its divisors is an integer number (50566096).

Almost surely, 2^101132191 is an apocalyptic number.

101132191 is a deficient number, since it is larger than the sum of its proper divisors (1).

101132191 is an equidigital number, since it uses as much as digits as its factorization.

101132191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 101132191 is about 10056.4502186408. The cubic root of 101132191 is about 465.9040353884.

Adding to 101132191 its reverse (191231101), we get a palindrome (292363292).

The spelling of 101132191 in words is "one hundred one million, one hundred thirty-two thousand, one hundred ninety-one".