1121231012003 has 2 divisors, whose sum is σ = 1121231012004. Its totient is φ = 1121231012002.

The previous prime is 1121231011897. The next prime is 1121231012087. The reversal of 1121231012003 is 3002101321211.

It is a strong prime.

It is an emirp because it is prime and its reverse (3002101321211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121231012003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121231012093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560615506001 + 560615506002.

It is an arithmetic number, because the mean of its divisors is an integer number (560615506002).

Almost surely, 2^{1121231012003} is an apocalyptic number.

1121231012003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121231012003 is an equidigital number, since it uses as much as digits as its factorization.

1121231012003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1121231012003 its reverse (3002101321211), we get a palindrome (4123332333214).

The spelling of 1121231012003 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-one million, twelve thousand, three".