102202101191 has 12 divisors (see below), whose sum is σ = 106911255528. Its totient is φ = 97692298704.

The previous prime is 102202101181. The next prime is 102202101203. The reversal of 102202101191 is 191101202201.

It is a de Polignac number, because none of the positive numbers 2^k-102202101191 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 (102202101181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 725096 + ... + 854498.

It is an arithmetic number, because the mean of its divisors is an integer number (8909271294).

Almost surely, 2^102202101191 is an apocalyptic number.

102202101191 is a deficient number, since it is larger than the sum of its proper divisors (4709154337).

102202101191 is a wasteful number, since it uses less digits than its factorization.

102202101191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130942 (or 130919 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 102202101191 its reverse (191101202201), we get a palindrome (293303303392).

The spelling of 102202101191 in words is "one hundred two billion, two hundred two million, one hundred one thousand, one hundred ninety-one".