11120121200 has 60 divisors (see below), whose sum is σ = 26733367080. Its totient is φ = 4445172480.

The previous prime is 11120121193. The next prime is 11120121211. The reversal of 11120121200 is 212102111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675467 + ... + 691733.

It is an arithmetic number, because the mean of its divisors is an integer number (445556118).

Almost surely, 2^11120121200 is an apocalyptic number.

11120121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11120121200 is an abundant number, since it is smaller than the sum of its proper divisors (15613245880).

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

11120121200 is a wasteful number, since it uses less digits than its factorization.

11120121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17994 (or 17983 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11120121200 its reverse (212102111), we get a palindrome (11332223311).

The spelling of 11120121200 in words is "eleven billion, one hundred twenty million, one hundred twenty-one thousand, two hundred".