11103021133 has 4 divisors (see below), whose sum is σ = 11119870080. Its totient is φ = 11086172188.

The previous prime is 11103021131. The next prime is 11103021199. The reversal of 11103021133 is 33112030111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11103021133 - 2¹ = 11103021131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103021131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8423485 + ... + 8424802.

It is an arithmetic number, because the mean of its divisors is an integer number (2779967520).

Almost surely, 2^11103021133 is an apocalyptic number.

It is an amenable number.

11103021133 is a deficient number, since it is larger than the sum of its proper divisors (16848947).

11103021133 is an equidigital number, since it uses as much as digits as its factorization.

11103021133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16848946.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11103021133 its reverse (33112030111), we get a palindrome (44215051244).

The spelling of 11103021133 in words is "eleven billion, one hundred three million, twenty-one thousand, one hundred thirty-three".