111123210122 has 8 divisors (see below), whose sum is σ = 166753107972. Its totient is φ = 55538840800.

The previous prime is 111123210119. The next prime is 111123210151. The reversal of 111123210122 is 221012321111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 102770895241 + 8352314881 = 320579^2 + 91391^2 .

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 111123210122.

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, 11376029 + ... + 11385792.

Almost surely, 2^111123210122 is an apocalyptic number.

111123210122 is a deficient number, since it is larger than the sum of its proper divisors (55629897850).

111123210122 is a wasteful number, since it uses less digits than its factorization.

111123210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22764264.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111123210122 its reverse (221012321111), we get a palindrome (332135531233).

The spelling of 111123210122 in words is "one hundred eleven billion, one hundred twenty-three million, two hundred ten thousand, one hundred twenty-two".