11021232211 has 16 divisors (see below), whose sum is σ = 12184004448. Its totient is φ = 9885952000.

The previous prime is 11021232199. The next prime is 11021232259. The reversal of 11021232211 is 11223212011.

It is a cyclic number.

It is not a de Polignac number, because 11021232211 - 2⁵ = 11021232179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11021232281) 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, 308595 + ... + 342451.

It is an arithmetic number, because the mean of its divisors is an integer number (761500278).

Almost surely, 2^11021232211 is an apocalyptic number.

11021232211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11021232211 is a deficient number, since it is larger than the sum of its proper divisors (1162772237).

11021232211 is a wasteful number, since it uses less digits than its factorization.

11021232211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34262.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11021232211 its reverse (11223212011), we get a palindrome (22244444222).

The spelling of 11021232211 in words is "eleven billion, twenty-one million, two hundred thirty-two thousand, two hundred eleven".