222102120120102 has 48 divisors (see below), whose sum is σ = 498846186598032. Its totient is φ = 71359913286720.

The previous prime is 222102120120079. The next prime is 222102120120107. The reversal of 222102120120102 is 201021021201222.

It is a happy number.

222102120120102 is a `hidden beast` number, since 22 + 210 + 212 + 0 + 120 + 102 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222102120120107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1558277649 + ... + 1558420172.

It is an arithmetic number, because the mean of its divisors is an integer number (10392628887459).

Almost surely, 2^{222102120120102} is an apocalyptic number.

222102120120102 is an abundant number, since it is smaller than the sum of its proper divisors (276744066477930).

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

222102120120102 is a wasteful number, since it uses less digits than its factorization.

222102120120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116697973 (or 3116697970 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222102120120102 its reverse (201021021201222), we get a palindrome (423123141321324).

It can be divided in two parts, 222102120 and 120102, that added together give a palindrome (222222222).

The spelling of 222102120120102 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred twenty million, one hundred twenty thousand, one hundred two".