11232121003 has 2 divisors, whose sum is σ = 11232121004. Its totient is φ = 11232121002.

The previous prime is 11232120961. The next prime is 11232121009. The reversal of 11232121003 is 30012123211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11232121003 is a prime.

It is not a weakly prime, because it can be changed into another prime (11232121009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5616060501 + 5616060502.

It is an arithmetic number, because the mean of its divisors is an integer number (5616060502).

Almost surely, 2^11232121003 is an apocalyptic number.

11232121003 is a deficient number, since it is larger than the sum of its proper divisors (1).

11232121003 is an equidigital number, since it uses as much as digits as its factorization.

11232121003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11232121003 its reverse (30012123211), we get a palindrome (41244244214).

The spelling of 11232121003 in words is "eleven billion, two hundred thirty-two million, one hundred twenty-one thousand, three".