1121303201023 has 2 divisors, whose sum is σ = 1121303201024. Its totient is φ = 1121303201022.

The previous prime is 1121303201017. The next prime is 1121303201027. The reversal of 1121303201023 is 3201023031211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1121303201023 - 2¹⁷ = 1121303069951 is a prime.

It is a super-3 number, since 3×1121303201023³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121303201027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560651600511 + 560651600512.

It is an arithmetic number, because the mean of its divisors is an integer number (560651600512).

Almost surely, 2^{1121303201023} is an apocalyptic number.

1121303201023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121303201023 is an equidigital number, since it uses as much as digits as its factorization.

1121303201023 is an evil number, because the sum of its binary digits is even.

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

Adding to 1121303201023 its reverse (3201023031211), we get a palindrome (4322326232234).

The spelling of 1121303201023 in words is "one trillion, one hundred twenty-one billion, three hundred three million, two hundred one thousand, twenty-three".