12111001303 has 2 divisors, whose sum is σ = 12111001304. Its totient is φ = 12111001302.

The previous prime is 12111001267. The next prime is 12111001307. The reversal of 12111001303 is 30310011121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12111001303 is a prime.

It is a super-2 number, since 2×12111001303² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12111001307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055500651 + 6055500652.

It is an arithmetic number, because the mean of its divisors is an integer number (6055500652).

Almost surely, 2^12111001303 is an apocalyptic number.

12111001303 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111001303 is an equidigital number, since it uses as much as digits as its factorization.

12111001303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 12111001303 its reverse (30310011121), we get a palindrome (42421012424).

The spelling of 12111001303 in words is "twelve billion, one hundred eleven million, one thousand, three hundred three".