101201202100191 has 16 divisors (see below), whose sum is σ = 135854425296000. Its totient is φ = 67007816056608.

The previous prime is 101201202100151. The next prime is 101201202100211. The reversal of 101201202100191 is 191001202102101.

It is not a de Polignac number, because 101201202100191 - 2⁶ = 101201202100127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201202100121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7191621 + ... + 15941198.

It is an arithmetic number, because the mean of its divisors is an integer number (8490901581000).

Almost surely, 2^{101201202100191} is an apocalyptic number.

101201202100191 is a deficient number, since it is larger than the sum of its proper divisors (34653223195809).

101201202100191 is a wasteful number, since it uses less digits than its factorization.

101201202100191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23142758.

The product of its (nonzero) digits is 72, while the sum is 21.

Adding to 101201202100191 its reverse (191001202102101), we get a palindrome (292202404202292).

The spelling of 101201202100191 in words is "one hundred one trillion, two hundred one billion, two hundred two million, one hundred thousand, one hundred ninety-one".