111222010120122 has 72 divisors (see below), whose sum is σ = 264887786767968. Its totient is φ = 33702644339760.

The previous prime is 111222010120103. The next prime is 111222010120159. The reversal of 111222010120122 is 221021010222111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111222010120095 and 111222010120104.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 74768203 + ... + 76241249.

It is an arithmetic number, because the mean of its divisors is an integer number (3678997038444).

Almost surely, 2^{111222010120122} is an apocalyptic number.

111222010120122 is an abundant number, since it is smaller than the sum of its proper divisors (153665776647846).

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

111222010120122 is a wasteful number, since it uses less digits than its factorization.

111222010120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507744 (or 1507730 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111222010120122 its reverse (221021010222111), we get a palindrome (332243020342233).

The spelling of 111222010120122 in words is "one hundred eleven trillion, two hundred twenty-two billion, ten million, one hundred twenty thousand, one hundred twenty-two".