11121200021103 has 8 divisors (see below), whose sum is σ = 14829232830000. Its totient is φ = 7413650279808.

The previous prime is 11121200021003. The next prime is 11121200021147. The reversal of 11121200021103 is 30112000212111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11121200021103 - 2¹² = 11121200017007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121200021003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120713178 + ... + 120805271.

It is an arithmetic number, because the mean of its divisors is an integer number (1853654103750).

Almost surely, 2^{11121200021103} is an apocalyptic number.

11121200021103 is a deficient number, since it is larger than the sum of its proper divisors (3708032808897).

11121200021103 is a wasteful number, since it uses less digits than its factorization.

11121200021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241533801.

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

Adding to 11121200021103 its reverse (30112000212111), we get a palindrome (41233200233214).

The spelling of 11121200021103 in words is "eleven trillion, one hundred twenty-one billion, two hundred million, twenty-one thousand, one hundred three".