1111030121200 has 30 divisors (see below), whose sum is σ = 2669249867144. Its totient is φ = 444412048320.

The previous prime is 1111030121197. The next prime is 1111030121213. The reversal of 1111030121200 is 21210301111.

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 5 ways as a sum of consecutive naturals, for example, 1388787252 + ... + 1388788051.

Almost surely, 2^{1111030121200} is an apocalyptic number.

1111030121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111030121200 is an abundant number, since it is smaller than the sum of its proper divisors (1558219745944).

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

1111030121200 is a wasteful number, since it uses less digits than its factorization.

1111030121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777575321 (or 2777575310 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1111030121200 its reverse (21210301111), we get a palindrome (1132240422311).

The spelling of 1111030121200 in words is "one trillion, one hundred eleven billion, thirty million, one hundred twenty-one thousand, two hundred".