2121220000200 has 192 divisors, whose sum is σ = 7515853240320. Its totient is φ = 484806816000.

The previous prime is 2121220000183. The next prime is 2121220000261. The reversal of 2121220000200 is 20000221212.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 47 ways as a sum of consecutive naturals, for example, 83529505 + ... + 83554895.

It is an arithmetic number, because the mean of its divisors is an integer number (39145068960).

Almost surely, 2^{2121220000200} is an apocalyptic number.

2121220000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121220000200 is an abundant number, since it is smaller than the sum of its proper divisors (5394633240120).

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

2121220000200 is a wasteful number, since it uses less digits than its factorization.

2121220000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45308 (or 45299 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2121220000200 its reverse (20000221212), we get a palindrome (2141220221412).

The spelling of 2121220000200 in words is "two trillion, one hundred twenty-one billion, two hundred twenty million, two hundred", and thus it is an aban number.