11221124213 has 16 divisors (see below), whose sum is σ = 12409689600. Its totient is φ = 10082741760.

The previous prime is 11221124207. The next prime is 11221124249. The reversal of 11221124213 is 31242112211.

11221124213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11221124213 - 2¹⁶ = 11221058677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221124293) 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 in 15 ways as a sum of consecutive naturals, for example, 4028 + ... + 149861.

It is an arithmetic number, because the mean of its divisors is an integer number (775605600).

Almost surely, 2^11221124213 is an apocalyptic number.

11221124213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11221124213 is a deficient number, since it is larger than the sum of its proper divisors (1188565387).

11221124213 is a wasteful number, since it uses less digits than its factorization.

11221124213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154052.

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

Adding to 11221124213 its reverse (31242112211), we get a palindrome (42463236424).

The spelling of 11221124213 in words is "eleven billion, two hundred twenty-one million, one hundred twenty-four thousand, two hundred thirteen".