11210221213 has 4 divisors (see below), whose sum is σ = 11210629408. Its totient is φ = 11209813020.

The previous prime is 11210221207. The next prime is 11210221241. The reversal of 11210221213 is 31212201211.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11210221213 is a prime.

It is a super-3 number, since 3×11210221213³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210221273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159681 + ... + 218902.

It is an arithmetic number, because the mean of its divisors is an integer number (2802657352).

Almost surely, 2^11210221213 is an apocalyptic number.

It is an amenable number.

11210221213 is a deficient number, since it is larger than the sum of its proper divisors (408195).

11210221213 is an equidigital number, since it uses as much as digits as its factorization.

11210221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408194.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11210221213 its reverse (31212201211), we get a palindrome (42422422424).

The spelling of 11210221213 in words is "eleven billion, two hundred ten million, two hundred twenty-one thousand, two hundred thirteen".