111011222210122 has 32 divisors (see below), whose sum is σ = 180390231947520. Its totient is φ = 51235008018480.

The previous prime is 111011222210117. The next prime is 111011222210129. The reversal of 111011222210122 is 221012222110111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111011222210122.

It is not an unprimeable number, because it can be changed into a prime (111011222210129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276757803 + ... + 277158625.

It is an arithmetic number, because the mean of its divisors is an integer number (5637194748360).

Almost surely, 2^{111011222210122} is an apocalyptic number.

111011222210122 is a deficient number, since it is larger than the sum of its proper divisors (69379009737398).

111011222210122 is an equidigital number, since it uses as much as digits as its factorization.

111011222210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463895 (or 463869 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111011222210122 its reverse (221012222110111), we get a palindrome (332023444320233).

The spelling of 111011222210122 in words is "one hundred eleven trillion, eleven billion, two hundred twenty-two million, two hundred ten thousand, one hundred twenty-two".