20120110022222 has 48 divisors (see below), whose sum is σ = 35854797083040. Its totient is φ = 8294611414656.

The previous prime is 20120110022213. The next prime is 20120110022227. The reversal of 20120110022222 is 22222001102102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20120110022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120110022227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9113 + ... + 6343524.

It is an arithmetic number, because the mean of its divisors is an integer number (746974939230).

Almost surely, 2^{20120110022222} is an apocalyptic number.

20120110022222 is a deficient number, since it is larger than the sum of its proper divisors (15734687060818).

20120110022222 is a wasteful number, since it uses less digits than its factorization.

20120110022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6352973 (or 6352944 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20120110022222 its reverse (22222001102102), we get a palindrome (42342111124324).

The spelling of 20120110022222 in words is "twenty trillion, one hundred twenty billion, one hundred ten million, twenty-two thousand, two hundred twenty-two".