111210122122 has 8 divisors (see below), whose sum is σ = 181980199872. Its totient is φ = 50550055500.

The previous prime is 111210122071. The next prime is 111210122143. The reversal of 111210122122 is 221221012111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111210122096 and 111210122105.

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, 2527502754 + ... + 2527502797.

It is an arithmetic number, because the mean of its divisors is an integer number (22747524984).

Almost surely, 2^111210122122 is an apocalyptic number.

111210122122 is a deficient number, since it is larger than the sum of its proper divisors (70770077750).

111210122122 is a wasteful number, since it uses less digits than its factorization.

111210122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055005564.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111210122122 its reverse (221221012111), we get a palindrome (332431134233).

It can be divided in two parts, 111210 and 122122, that added together give a palindrome (233332).

The spelling of 111210122122 in words is "one hundred eleven billion, two hundred ten million, one hundred twenty-two thousand, one hundred twenty-two".