11124213321 has 16 divisors (see below), whose sum is σ = 16488496640. Its totient is φ = 6624840960.

The previous prime is 11124213311. The next prime is 11124213367. The reversal of 11124213321 is 12331242111.

It is not a de Polignac number, because 11124213321 - 2¹³ = 11124205129 is a prime.

It is a super-2 number, since 2×11124213321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11124213311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4599376 + ... + 4601793.

It is an arithmetic number, because the mean of its divisors is an integer number (1030531040).

Almost surely, 2^11124213321 is an apocalyptic number.

It is an amenable number.

11124213321 is a deficient number, since it is larger than the sum of its proper divisors (5364283319).

11124213321 is a wasteful number, since it uses less digits than its factorization.

11124213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9201216.

The product of its digits is 288, while the sum is 21.

Adding to 11124213321 its reverse (12331242111), we get a palindrome (23455455432).

The spelling of 11124213321 in words is "eleven billion, one hundred twenty-four million, two hundred thirteen thousand, three hundred twenty-one".