1121102212200 has 48 divisors (see below), whose sum is σ = 3475416859680. Its totient is φ = 298960589760.

The previous prime is 1121102212163. The next prime is 1121102212207. The reversal of 1121102212200 is 22122011211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1121102212200.

It is not an unprimeable number, because it can be changed into a prime (1121102212207) 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, 934251244 + ... + 934252443.

It is an arithmetic number, because the mean of its divisors is an integer number (72404517910).

Almost surely, 2^{1121102212200} is an apocalyptic number.

1121102212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121102212200 is an abundant number, since it is smaller than the sum of its proper divisors (2354314647480).

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

1121102212200 is a wasteful number, since it uses less digits than its factorization.

1121102212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868503706 (or 1868503697 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1121102212200 its reverse (22122011211), we get a palindrome (1143224223411).

The spelling of 1121102212200 in words is "one trillion, one hundred twenty-one billion, one hundred two million, two hundred twelve thousand, two hundred".