20202121120000 has 180 divisors, whose sum is σ = 50498618906736. Its totient is φ = 8063514880000.

The previous prime is 20202121119991. The next prime is 20202121120033. The reversal of 20202121120000 is 2112120202.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 74584815 + ... + 74855185.

Almost surely, 2^{20202121120000} is an apocalyptic number.

20202121120000 is a gapful number since it is divisible by the number (20) 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 20202121120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25249309453368).

20202121120000 is an abundant number, since it is smaller than the sum of its proper divisors (30296497786736).

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

20202121120000 is an frugal number, since it uses more digits than its factorization.

20202121120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270874 (or 270845 counting only the distinct ones).

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

Adding to 20202121120000 its reverse (2112120202), we get a palindrome (20204233240202).

The spelling of 20202121120000 in words is "twenty trillion, two hundred two billion, one hundred twenty-one million, one hundred twenty thousand".