2221111202200 has 48 divisors (see below), whose sum is σ = 5633545691160. Its totient is φ = 807676800000.

The previous prime is 2221111202183. The next prime is 2221111202201. The reversal of 2221111202200 is 22021111222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221111202201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 504795801 + ... + 504800200.

Almost surely, 2^{2221111202200} is an apocalyptic number.

2221111202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221111202200 is an abundant number, since it is smaller than the sum of its proper divisors (3412434488960).

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

2221111202200 is a wasteful number, since it uses less digits than its factorization.

2221111202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009596028 (or 1009596019 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221111202200 its reverse (22021111222), we get a palindrome (2243132313422).

The spelling of 2221111202200 in words is "two trillion, two hundred twenty-one billion, one hundred eleven million, two hundred two thousand, two hundred".