2020121200100 has 36 divisors (see below), whose sum is σ = 4383741183024. Its totient is φ = 808034069280.

The previous prime is 2020121200079. The next prime is 2020121200109. The reversal of 2020121200100 is 10021210202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2020121200109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6801299 + ... + 7092101.

Almost surely, 2^{2020121200100} is an apocalyptic number.

2020121200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020121200100 is an abundant number, since it is smaller than the sum of its proper divisors (2363619982924).

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

2020121200100 is a wasteful number, since it uses less digits than its factorization.

2020121200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360284 (or 360277 counting only the distinct ones).

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

Adding to 2020121200100 its reverse (10021210202), we get a palindrome (2030142410302).

The spelling of 2020121200100 in words is "two trillion, twenty billion, one hundred twenty-one million, two hundred thousand, one hundred".