11121202200 has 96 divisors (see below), whose sum is σ = 34578657360. Its totient is φ = 2956800000.

The previous prime is 11121202133. The next prime is 11121202201. The reversal of 11121202200 is 220212111.

It is a super-2 number, since 2×11121202200² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121202201) 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, 174700 + ... + 229700.

Almost surely, 2^11121202200 is an apocalyptic number.

11121202200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11121202200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17289328680).

11121202200 is an abundant number, since it is smaller than the sum of its proper divisors (23457455160).

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

11121202200 is a wasteful number, since it uses less digits than its factorization.

11121202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55357 (or 55348 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11121202200 its reverse (220212111), we get a palindrome (11341414311).

The spelling of 11121202200 in words is "eleven billion, one hundred twenty-one million, two hundred two thousand, two hundred".