1113121122200 has 48 divisors (see below), whose sum is σ = 2610909375480. Its totient is φ = 441308188160.

The previous prime is 1113121122137. The next prime is 1113121122233. The reversal of 1113121122200 is 22211213111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24603974 + ... + 24649173.

Almost surely, 2^{1113121122200} is an apocalyptic number.

1113121122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113121122200 is an abundant number, since it is smaller than the sum of its proper divisors (1497788253280).

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

1113121122200 is a wasteful number, since it uses less digits than its factorization.

1113121122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49253276 (or 49253267 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1113121122200 its reverse (22211213111), we get a palindrome (1135332335311).

It can be divided in two parts, 1113121 and 122200, that added together give a palindrome (1235321).

The spelling of 1113121122200 in words is "one trillion, one hundred thirteen billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred".