1123003031201 has 2 divisors, whose sum is σ = 1123003031202. Its totient is φ = 1123003031200.

The previous prime is 1123003031147. The next prime is 1123003031237. The reversal of 1123003031201 is 1021303003211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 792498770176 + 330504261025 = 890224^2 + 574895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123003031201 is a prime.

It is a super-2 number, since 2×1123003031201² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123003031201.

It is not a weakly prime, because it can be changed into another prime (1123003031701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561501515600 + 561501515601.

It is an arithmetic number, because the mean of its divisors is an integer number (561501515601).

Almost surely, 2^{1123003031201} is an apocalyptic number.

It is an amenable number.

1123003031201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123003031201 is an equidigital number, since it uses as much as digits as its factorization.

1123003031201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1123003031201 its reverse (1021303003211), we get a palindrome (2144306034412).

The spelling of 1123003031201 in words is "one trillion, one hundred twenty-three billion, three million, thirty-one thousand, two hundred one".