11022221213 has 12 divisors (see below), whose sum is σ = 11431543104. Its totient is φ = 10627054200.

The previous prime is 11022221149. The next prime is 11022221257. The reversal of 11022221213 is 31212222011.

It is not a de Polignac number, because 11022221213 - 2⁶ = 11022221149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11022221191 and 11022221200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022223213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239270 + ... + 281592.

It is an arithmetic number, because the mean of its divisors is an integer number (952628592).

Almost surely, 2^11022221213 is an apocalyptic number.

It is an amenable number.

11022221213 is a deficient number, since it is larger than the sum of its proper divisors (409321891).

11022221213 is an equidigital number, since it uses as much as digits as its factorization.

11022221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42656 (or 42625 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11022221213 its reverse (31212222011), we get a palindrome (42234443224).

The spelling of 11022221213 in words is "eleven billion, twenty-two million, two hundred twenty-one thousand, two hundred thirteen".