11210123213 has 4 divisors (see below), whose sum is σ = 11210413920. Its totient is φ = 11209832508.

The previous prime is 11210123179. The next prime is 11210123339. The reversal of 11210123213 is 31232101211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31232101211 = 967 ⋅32297933.

It is a cyclic number.

It is not a de Polignac number, because 11210123213 - 2¹⁴ = 11210106829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11210123191 and 11210123200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210123713) 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 in 3 ways as a sum of consecutive naturals, for example, 76703 + ... + 168236.

It is an arithmetic number, because the mean of its divisors is an integer number (2802603480).

Almost surely, 2^11210123213 is an apocalyptic number.

It is an amenable number.

11210123213 is a deficient number, since it is larger than the sum of its proper divisors (290707).

11210123213 is an equidigital number, since it uses as much as digits as its factorization.

11210123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290706.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11210123213 its reverse (31232101211), we get a palindrome (42442224424).

The spelling of 11210123213 in words is "eleven billion, two hundred ten million, one hundred twenty-three thousand, two hundred thirteen".