100201020020120 has 32 divisors (see below), whose sum is σ = 225590864518800. Its totient is φ = 40055773435008.

The previous prime is 100201020020117. The next prime is 100201020020221. The reversal of 100201020020120 is 21020020102001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 769764515 + ... + 769894674.

Almost surely, 2^{100201020020120} is an apocalyptic number.

100201020020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100201020020120 is an abundant number, since it is smaller than the sum of its proper divisors (125389844498680).

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

100201020020120 is a wasteful number, since it uses less digits than its factorization.

100201020020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539660827 (or 1539660823 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100201020020120 its reverse (21020020102001), we get a palindrome (121221040122121).

The spelling of 100201020020120 in words is "one hundred trillion, two hundred one billion, twenty million, twenty thousand, one hundred twenty".