11022221211 has 32 divisors (see below), whose sum is σ = 15085344000. Its totient is φ = 7156356480.

The previous prime is 11022221149. The next prime is 11022221257. The reversal of 11022221211 is 11212222011.

It is not a de Polignac number, because 11022221211 - 2¹⁴ = 11022204827 is a prime.

It is a super-4 number, since 4×11022221211⁴ (a number of 41 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (11022221281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14914680 + ... + 14915418.

It is an arithmetic number, because the mean of its divisors is an integer number (471417000).

Almost surely, 2^11022221211 is an apocalyptic number.

11022221211 is a deficient number, since it is larger than the sum of its proper divisors (4063122789).

11022221211 is a wasteful number, since it uses less digits than its factorization.

11022221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11022221211 its reverse (11212222011), we get a palindrome (22234443222).

The spelling of 11022221211 in words is "eleven billion, twenty-two million, two hundred twenty-one thousand, two hundred eleven".