111211202111122 has 8 divisors (see below), whose sum is σ = 166817145969036. Its totient is φ = 55605486788112.

The previous prime is 111211202111089. The next prime is 111211202111147. The reversal of 111211202111122 is 221111202112111.

It can be written as a sum of positive squares in 2 ways, for example, as 75395513597481 + 35815688513641 = 8683059^2 + 5984621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111211202111122.

It is an unprimeable number.

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, 55911933 + ... + 57866800.

Almost surely, 2^{111211202111122} is an apocalyptic number.

111211202111122 is a deficient number, since it is larger than the sum of its proper divisors (55605943857914).

111211202111122 is a wasteful number, since it uses less digits than its factorization.

111211202111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114267452.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111211202111122 its reverse (221111202112111), we get a palindrome (332322404223233).

The spelling of 111211202111122 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred two million, one hundred eleven thousand, one hundred twenty-two".