202221021020000 has 120 divisors (see below), whose sum is σ = 497515618065312. Its totient is φ = 80884900800000.

The previous prime is 202221021019939. The next prime is 202221021020023. The reversal of 202221021020000 is 20120122202.

202221021020000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 488212985 + ... + 488627015.

Almost surely, 2^{202221021020000} is an apocalyptic number.

202221021020000 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 202221021020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248757809032656).

202221021020000 is an abundant number, since it is smaller than the sum of its proper divisors (295294597045312).

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

202221021020000 is an equidigital number, since it uses as much as digits as its factorization.

202221021020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438482 (or 438459 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202221021020000 its reverse (20120122202), we get a palindrome (202241141142202).

The spelling of 202221021020000 in words is "two hundred two trillion, two hundred twenty-one billion, twenty-one million, twenty thousand".