10111213113191 has 2 divisors, whose sum is σ = 10111213113192. Its totient is φ = 10111213113190.

The previous prime is 10111213113187. The next prime is 10111213113341. The reversal of 10111213113191 is 19131131211101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10111213113191 - 2² = 10111213113187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10111213113191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111213113121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055606556595 + 5055606556596.

It is an arithmetic number, because the mean of its divisors is an integer number (5055606556596).

Almost surely, 2^{10111213113191} is an apocalyptic number.

10111213113191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111213113191 is an equidigital number, since it uses as much as digits as its factorization.

10111213113191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 26.

Adding to 10111213113191 its reverse (19131131211101), we get a palindrome (29242344324292).

The spelling of 10111213113191 in words is "ten trillion, one hundred eleven billion, two hundred thirteen million, one hundred thirteen thousand, one hundred ninety-one".