2221221120200 has 48 divisors (see below), whose sum is σ = 5330930703360. Its totient is φ = 859827528000.

The previous prime is 2221221120191. The next prime is 2221221120301. The reversal of 2221221120200 is 20211221222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179124536 + ... + 179136935.

It is an arithmetic number, because the mean of its divisors is an integer number (111061056320).

Almost surely, 2^{2221221120200} is an apocalyptic number.

2221221120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221221120200 is an abundant number, since it is smaller than the sum of its proper divisors (3109709583160).

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

2221221120200 is a wasteful number, since it uses less digits than its factorization.

2221221120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358261518 (or 358261509 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221221120200 its reverse (20211221222), we get a palindrome (2241432341422).

The spelling of 2221221120200 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred twenty thousand, two hundred".