2211321113200 has 60 divisors (see below), whose sum is σ = 5436250155688. Its totient is φ = 863958009600.

The previous prime is 2211321113173. The next prime is 2211321113203. The reversal of 2211321113200 is 23111231122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211321113203) 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, 64265391 + ... + 64299790.

Almost surely, 2^{2211321113200} is an apocalyptic number.

2211321113200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211321113200 is an abundant number, since it is smaller than the sum of its proper divisors (3224929042488).

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

2211321113200 is a wasteful number, since it uses less digits than its factorization.

2211321113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128565242 (or 128565231 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2211321113200 its reverse (23111231122), we get a palindrome (2234432344322).

The spelling of 2211321113200 in words is "two trillion, two hundred eleven billion, three hundred twenty-one million, one hundred thirteen thousand, two hundred".