11002321123 has 2 divisors, whose sum is σ = 11002321124. Its totient is φ = 11002321122.

The previous prime is 11002321111. The next prime is 11002321139. The reversal of 11002321123 is 32112320011.

11002321123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11002321139) can be obtained adding 11002321123 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11002321123 - 2¹⁷ = 11002190051 is a prime.

It is a super-2 number, since 2×11002321123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11002321097 and 11002321106.

It is not a weakly prime, because it can be changed into another prime (11002325123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501160561 + 5501160562.

It is an arithmetic number, because the mean of its divisors is an integer number (5501160562).

Almost surely, 2^11002321123 is an apocalyptic number.

11002321123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002321123 is an equidigital number, since it uses as much as digits as its factorization.

11002321123 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 16.

Adding to 11002321123 its reverse (32112320011), we get a palindrome (43114641134).

The spelling of 11002321123 in words is "eleven billion, two million, three hundred twenty-one thousand, one hundred twenty-three".