201000000100120 has 64 divisors (see below), whose sum is σ = 487042354512000. Its totient is φ = 74214791474688.

The previous prime is 201000000100099. The next prime is 201000000100171. The reversal of 201000000100120 is 21001000000102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66452866 + ... + 69411694.

It is an arithmetic number, because the mean of its divisors is an integer number (7610036789250).

Almost surely, 2^{201000000100120} is an apocalyptic number.

201000000100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000000100120 is an abundant number, since it is smaller than the sum of its proper divisors (286042354411880).

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

201000000100120 is a wasteful number, since it uses less digits than its factorization.

201000000100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089492 (or 3089488 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 201000000100120 its reverse (21001000000102), we get a palindrome (222001000100222).

The spelling of 201000000100120 in words is "two hundred one trillion, one hundred thousand, one hundred twenty".