11221111112200 has 96 divisors (see below), whose sum is σ = 29378909272320. Its totient is φ = 3948778080000.

The previous prime is 11221111112179. The next prime is 11221111112207. The reversal of 11221111112200 is 221111112211.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11221111112207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82198011 + ... + 82334410.

It is an arithmetic number, because the mean of its divisors is an integer number (306030304920).

Almost surely, 2^{11221111112200} is an apocalyptic number.

11221111112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221111112200 is an abundant number, since it is smaller than the sum of its proper divisors (18157798160120).

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

11221111112200 is a wasteful number, since it uses less digits than its factorization.

11221111112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164532479 (or 164532470 counting only the distinct ones).

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

Adding to 11221111112200 its reverse (221111112211), we get a palindrome (11442222224411).

It can be divided in two parts, 11221111 and 112200, that added together give a palindrome (11333311).

The spelling of 11221111112200 in words is "eleven trillion, two hundred twenty-one billion, one hundred eleven million, one hundred twelve thousand, two hundred".