120100222122 has 32 divisors (see below), whose sum is σ = 245257683840. Its totient is φ = 39199269120.

The previous prime is 120100222111. The next prime is 120100222127. The reversal of 120100222122 is 221222001021.

It is not an unprimeable number, because it can be changed into a prime (120100222127) 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, 1036779 + ... + 1146782.

It is an arithmetic number, because the mean of its divisors is an integer number (7664302620).

Almost surely, 2^120100222122 is an apocalyptic number.

120100222122 is an abundant number, since it is smaller than the sum of its proper divisors (125157461718).

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

120100222122 is a wasteful number, since it uses less digits than its factorization.

120100222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183758.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120100222122 its reverse (221222001021), we get a palindrome (341322223143).

The spelling of 120100222122 in words is "one hundred twenty billion, one hundred million, two hundred twenty-two thousand, one hundred twenty-two".