111222010122 has 8 divisors (see below), whose sum is σ = 222444020256. Its totient is φ = 37074003372.

The previous prime is 111222010079. The next prime is 111222010153. The reversal of 111222010122 is 221010222111.

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

111222010122 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9268500838 + ... + 9268500849.

It is an arithmetic number, because the mean of its divisors is an integer number (27805502532).

Almost surely, 2^111222010122 is an apocalyptic number.

111222010122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111222010122 is a wasteful number, since it uses less digits than its factorization.

111222010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18537001692.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111222010122 its reverse (221010222111), we get a palindrome (332232232233).

The spelling of 111222010122 in words is "one hundred eleven billion, two hundred twenty-two million, ten thousand, one hundred twenty-two".