120001102222008 has 64 divisors (see below), whose sum is σ = 342861219486720. Its totient is φ = 34285936464000.

The previous prime is 120001102222007. The next prime is 120001102222009. The reversal of 120001102222008 is 800222201100021.

It is an interprime number because it is at equal distance from previous prime (120001102222007) and next prime (120001102222009).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001102222007) 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 15 ways as a sum of consecutive naturals, for example, 82963953 + ... + 84397983.

It is an arithmetic number, because the mean of its divisors is an integer number (5357206554480).

Almost surely, 2^{120001102222008} is an apocalyptic number.

It is an amenable number.

120001102222008 is an abundant number, since it is smaller than the sum of its proper divisors (222860117264712).

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

120001102222008 is a wasteful number, since it uses less digits than its factorization.

120001102222008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932148 (or 1932144 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 120001102222008 its reverse (800222201100021), we get a palindrome (920223303322029).

The spelling of 120001102222008 in words is "one hundred twenty trillion, one billion, one hundred two million, two hundred twenty-two thousand, eight".