2021222202200 has 192 divisors, whose sum is σ = 4951833419520. Its totient is φ = 766245888000.

The previous prime is 2021222202179. The next prime is 2021222202287. The reversal of 2021222202200 is 22022221202.

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 47 ways as a sum of consecutive naturals, for example, 88109132 + ... + 88132068.

It is an arithmetic number, because the mean of its divisors is an integer number (25790799060).

Almost surely, 2^{2021222202200} is an apocalyptic number.

2021222202200 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 2021222202200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2475916709760).

2021222202200 is an abundant number, since it is smaller than the sum of its proper divisors (2930611217320).

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

2021222202200 is a wasteful number, since it uses less digits than its factorization.

2021222202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23278 (or 23269 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2021222202200 its reverse (22022221202), we get a palindrome (2043244423402).

The spelling of 2021222202200 in words is "two trillion, twenty-one billion, two hundred twenty-two million, two hundred two thousand, two hundred".