1122011132100 has 72 divisors (see below), whose sum is σ = 3387497977920. Its totient is φ = 286194142080.

The previous prime is 1122011132089. The next prime is 1122011132153. The reversal of 1122011132100 is 12311102211.

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 1122011132100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81298255 + ... + 81312054.

Almost surely, 2^{1122011132100} is an apocalyptic number.

1122011132100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122011132100 is an abundant number, since it is smaller than the sum of its proper divisors (2265486845820).

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

1122011132100 is a wasteful number, since it uses less digits than its factorization.

1122011132100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162610349 (or 162610342 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1122011132100 its reverse (12311102211), we get a palindrome (1134322234311).

The spelling of 1122011132100 in words is "one trillion, one hundred twenty-two billion, eleven million, one hundred thirty-two thousand, one hundred".