192919212111 has 4 divisors (see below), whose sum is σ = 257225616152. Its totient is φ = 128612808072.

The previous prime is 192919212023. The next prime is 192919212119. The reversal of 192919212111 is 111212919291.

192919212111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 192919212111 - 2¹¹ = 192919210063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 192919212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192919212119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32153202016 + ... + 32153202021.

It is an arithmetic number, because the mean of its divisors is an integer number (64306404038).

Almost surely, 2^192919212111 is an apocalyptic number.

192919212111 is a deficient number, since it is larger than the sum of its proper divisors (64306404041).

192919212111 is an equidigital number, since it uses as much as digits as its factorization.

192919212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64306404040.

The product of its digits is 5832, while the sum is 39.

The spelling of 192919212111 in words is "one hundred ninety-two billion, nine hundred nineteen million, two hundred twelve thousand, one hundred eleven".