101202102091 has 8 divisors (see below), whose sum is σ = 101307444480. Its totient is φ = 101096799552.

The previous prime is 101202102041. The next prime is 101202102139. The reversal of 101202102091 is 190201202101.

It is a happy number.

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 101202102091 - 2²³ = 101193713483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101202102031) 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, 8723791 + ... + 8735383.

It is an arithmetic number, because the mean of its divisors is an integer number (12663430560).

Almost surely, 2^101202102091 is an apocalyptic number.

101202102091 is a deficient number, since it is larger than the sum of its proper divisors (105342389).

101202102091 is a wasteful number, since it uses less digits than its factorization.

101202102091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19925.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 101202102091 its reverse (190201202101), we get a palindrome (291403304192).

The spelling of 101202102091 in words is "one hundred one billion, two hundred two million, one hundred two thousand, ninety-one".