11132121103 has 8 divisors (see below), whose sum is σ = 11268457200. Its totient is φ = 10997434264.

The previous prime is 11132121097. The next prime is 11132121107. The reversal of 11132121103 is 30112123111.

It is a happy number.

It is not a de Polignac number, because 11132121103 - 2²¹ = 11130023951 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 (11132121107) 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, 562053 + ... + 581521.

It is an arithmetic number, because the mean of its divisors is an integer number (1408557150).

Almost surely, 2^11132121103 is an apocalyptic number.

11132121103 is a deficient number, since it is larger than the sum of its proper divisors (136336097).

11132121103 is an frugal number, since it uses more digits than its factorization.

11132121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19718 (or 19552 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11132121103 its reverse (30112123111), we get a palindrome (41244244214).

The spelling of 11132121103 in words is "eleven billion, one hundred thirty-two million, one hundred twenty-one thousand, one hundred three".