100200100200120 has 192 divisors, whose sum is σ = 326556130867200. Its totient is φ = 26645775932160.

The previous prime is 100200100200049. The next prime is 100200100200121. The reversal of 100200100200120 is 21002001002001.

It is a super-2 number, since 2×100200100200120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100200100200121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269669265 + ... + 270040575.

It is an arithmetic number, because the mean of its divisors is an integer number (1700813181600).

Almost surely, 2^{100200100200120} is an apocalyptic number.

100200100200120 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 100200100200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163278065433600).

100200100200120 is an abundant number, since it is smaller than the sum of its proper divisors (226356030667080).

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

100200100200120 is a wasteful number, since it uses less digits than its factorization.

100200100200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373410 (or 373403 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100200100200120 its reverse (21002001002001), we get a palindrome (121202101202121).

The spelling of 100200100200120 in words is "one hundred trillion, two hundred billion, one hundred million, two hundred thousand, one hundred twenty".