204222210132111 has 4 divisors (see below), whose sum is σ = 272296280176152. Its totient is φ = 136148140088072.

The previous prime is 204222210132079. The next prime is 204222210132151. The reversal of 204222210132111 is 111231012222402.

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

It is a cyclic number.

It is not a de Polignac number, because 204222210132111 - 2⁵ = 204222210132079 is a prime.

It is a super-2 number, since 2×204222210132111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204222210132151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34037035022016 + ... + 34037035022021.

It is an arithmetic number, because the mean of its divisors is an integer number (68074070044038).

Almost surely, 2^{204222210132111} is an apocalyptic number.

204222210132111 is a deficient number, since it is larger than the sum of its proper divisors (68074070044041).

204222210132111 is an equidigital number, since it uses as much as digits as its factorization.

204222210132111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68074070044040.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 204222210132111 its reverse (111231012222402), we get a palindrome (315453222354513).

The spelling of 204222210132111 in words is "two hundred four trillion, two hundred twenty-two billion, two hundred ten million, one hundred thirty-two thousand, one hundred eleven".