120002100122222 has 8 divisors (see below), whose sum is σ = 180003292081200. Its totient is φ = 60001002761824.

The previous prime is 120002100122147. The next prime is 120002100122251. The reversal of 120002100122222 is 222221001200021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 120002100122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20388347 + ... + 25606422.

It is an arithmetic number, because the mean of its divisors is an integer number (22500411510150).

Almost surely, 2^{120002100122222} is an apocalyptic number.

120002100122222 is a deficient number, since it is larger than the sum of its proper divisors (60001191958978).

120002100122222 is a wasteful number, since it uses less digits than its factorization.

120002100122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47299290.

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

Adding to 120002100122222 its reverse (222221001200021), we get a palindrome (342223101322243).

The spelling of 120002100122222 in words is "one hundred twenty trillion, two billion, one hundred million, one hundred twenty-two thousand, two hundred twenty-two".