11213211224 has 32 divisors (see below), whose sum is σ = 21756265200. Its totient is φ = 5411656320.

The previous prime is 11213211143. The next prime is 11213211277. The reversal of 11213211224 is 42211231211.

It is a super-2 number, since 2×11213211224² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11213211196 and 11213211205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215959 + ... + 1225145.

Almost surely, 2^11213211224 is an apocalyptic number.

It is an amenable number.

11213211224 is a deficient number, since it is larger than the sum of its proper divisors (10543053976).

11213211224 is a wasteful number, since it uses less digits than its factorization.

11213211224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14483 (or 14479 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

Adding to 11213211224 its reverse (42211231211), we get a palindrome (53424442435).

The spelling of 11213211224 in words is "eleven billion, two hundred thirteen million, two hundred eleven thousand, two hundred twenty-four".