120122102201100 has 144 divisors (see below), whose sum is σ = 362694496899840. Its totient is φ = 30637288915200.

The previous prime is 120122102201089. The next prime is 120122102201141. The reversal of 120122102201100 is 1102201221021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120122102201100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82833255 + ... + 84270945.

Almost surely, 2^{120122102201100} is an apocalyptic number.

120122102201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120122102201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181347248449920).

120122102201100 is an abundant number, since it is smaller than the sum of its proper divisors (242572394698740).

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

120122102201100 is a wasteful number, since it uses less digits than its factorization.

120122102201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449840 (or 1449833 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120122102201100 its reverse (1102201221021), we get a palindrome (121224303422121).

The spelling of 120122102201100 in words is "one hundred twenty trillion, one hundred twenty-two billion, one hundred two million, two hundred one thousand, one hundred".