222110122120 has 64 divisors (see below), whose sum is σ = 505035019440. Its totient is φ = 87905280000.

The previous prime is 222110121983. The next prime is 222110122121. The reversal of 222110122120 is 21221011222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 74059091044 + 148051031076 = 272138^2 + 384774^2 .

It is a super-2 number, since 2×222110122120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222110122094 and 222110122103.

It is not an unprimeable number, because it can be changed into a prime (222110122121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6256420 + ... + 6291820.

Almost surely, 2^222110122120 is an apocalyptic number.

222110122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222110122120 is an abundant number, since it is smaller than the sum of its proper divisors (282924897320).

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

222110122120 is a wasteful number, since it uses less digits than its factorization.

222110122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37066 (or 37062 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222110122120 its reverse (21221011222), we get a palindrome (243331133342).

The spelling of 222110122120 in words is "two hundred twenty-two billion, one hundred ten million, one hundred twenty-two thousand, one hundred twenty".