1123201021303 has 2 divisors, whose sum is σ = 1123201021304. Its totient is φ = 1123201021302.

The previous prime is 1123201021273. The next prime is 1123201021307. The reversal of 1123201021303 is 3031201023211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123201021303 - 2⁹ = 1123201020791 is a prime.

It is a super-2 number, since 2×1123201021303² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123201021307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561600510651 + 561600510652.

It is an arithmetic number, because the mean of its divisors is an integer number (561600510652).

Almost surely, 2^{1123201021303} is an apocalyptic number.

1123201021303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123201021303 is an equidigital number, since it uses as much as digits as its factorization.

1123201021303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1123201021303 its reverse (3031201023211), we get a palindrome (4154402044514).

The spelling of 1123201021303 in words is "one trillion, one hundred twenty-three billion, two hundred one million, twenty-one thousand, three hundred three".