111211212110122 has 8 divisors (see below), whose sum is σ = 166817204273376. Its totient is φ = 55605477352332.

The previous prime is 111211212110017. The next prime is 111211212110203. The reversal of 111211212110122 is 221011212112111.

111211212110122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 111211212110122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63267598 + ... + 65001625.

It is an arithmetic number, because the mean of its divisors is an integer number (20852150534172).

Almost surely, 2^{111211212110122} is an apocalyptic number.

111211212110122 is a deficient number, since it is larger than the sum of its proper divisors (55605992163254).

111211212110122 is a wasteful number, since it uses less digits than its factorization.

111211212110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128702732.

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

Adding to 111211212110122 its reverse (221011212112111), we get a palindrome (332222424222233).

The spelling of 111211212110122 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred twelve million, one hundred ten thousand, one hundred twenty-two".