11203221023 has 2 divisors, whose sum is σ = 11203221024. Its totient is φ = 11203221022.

The previous prime is 11203220999. The next prime is 11203221031. The reversal of 11203221023 is 32012230211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11203221023 is a prime.

It is a super-2 number, since 2×11203221023² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11203220992 and 11203221010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11203227023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601610511 + 5601610512.

It is an arithmetic number, because the mean of its divisors is an integer number (5601610512).

Almost surely, 2^11203221023 is an apocalyptic number.

11203221023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203221023 is an equidigital number, since it uses as much as digits as its factorization.

11203221023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11203221023 its reverse (32012230211), we get a palindrome (43215451234).

The spelling of 11203221023 in words is "eleven billion, two hundred three million, two hundred twenty-one thousand, twenty-three".