101110020201191 has 4 divisors (see below), whose sum is σ = 106431600211800. Its totient is φ = 95788440190584.

The previous prime is 101110020201161. The next prime is 101110020201263. The reversal of 101110020201191 is 191102020011101.

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

It is not a de Polignac number, because 101110020201191 - 2²⁶ = 101109953092327 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 (101110020201161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2660790005276 + ... + 2660790005313.

It is an arithmetic number, because the mean of its divisors is an integer number (26607900052950).

Almost surely, 2^{101110020201191} is an apocalyptic number.

101110020201191 is a deficient number, since it is larger than the sum of its proper divisors (5321580010609).

101110020201191 is an equidigital number, since it uses as much as digits as its factorization.

101110020201191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321580010608.

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

Adding to 101110020201191 its reverse (191102020011101), we get a palindrome (292212040212292).

The spelling of 101110020201191 in words is "one hundred one trillion, one hundred ten billion, twenty million, two hundred one thousand, one hundred ninety-one".