111120022222122 has 16 divisors (see below), whose sum is σ = 227660533333632. Its totient is φ = 36136592592480.

The previous prime is 111120022222007. The next prime is 111120022222141. The reversal of 111120022222122 is 221222220021111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225853703458 + ... + 225853703949.

It is an arithmetic number, because the mean of its divisors is an integer number (14228783333352).

Almost surely, 2^{111120022222122} is an apocalyptic number.

111120022222122 is an abundant number, since it is smaller than the sum of its proper divisors (116540511111510).

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

111120022222122 is a wasteful number, since it uses less digits than its factorization.

111120022222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451707407453.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 111120022222122 its reverse (221222220021111), we get a palindrome (332342242243233).

The spelling of 111120022222122 in words is "one hundred eleven trillion, one hundred twenty billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".