2211221123200 has 96 divisors (see below), whose sum is σ = 5531552208000. Its totient is φ = 873292293120.

The previous prime is 2211221123171. The next prime is 2211221123231. The reversal of 2211221123200 is 23211221122.

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, 4120660 + ... + 4626259.

It is an arithmetic number, because the mean of its divisors is an integer number (57620335500).

Almost surely, 2^{2211221123200} is an apocalyptic number.

2211221123200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211221123200 is an abundant number, since it is smaller than the sum of its proper divisors (3320331084800).

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

2211221123200 is an equidigital number, since it uses as much as digits as its factorization.

2211221123200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8747022 (or 8747005 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2211221123200 its reverse (23211221122), we get a palindrome (2234432344322).

The spelling of 2211221123200 in words is "two trillion, two hundred eleven billion, two hundred twenty-one million, one hundred twenty-three thousand, two hundred".