2020121022100 has 36 divisors (see below), whose sum is σ = 4389759662400. Its totient is φ = 806924529760.

The previous prime is 2020121022047. The next prime is 2020121022151. The reversal of 2020121022100 is 12201210202.

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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13976230 + ... + 14120029.

It is an arithmetic number, because the mean of its divisors is an integer number (121937768400).

Almost surely, 2^{2020121022100} is an apocalyptic number.

2020121022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020121022100 is an abundant number, since it is smaller than the sum of its proper divisors (2369638640300).

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

2020121022100 is a wasteful number, since it uses less digits than its factorization.

2020121022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28096992 (or 28096985 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2020121022100 its reverse (12201210202), we get a palindrome (2032322232302).

The spelling of 2020121022100 in words is "two trillion, twenty billion, one hundred twenty-one million, twenty-two thousand, one hundred".