11221233011 has 8 divisors (see below), whose sum is σ = 11326096080. Its totient is φ = 11116467712.

The previous prime is 11221233007. The next prime is 11221233013. The reversal of 11221233011 is 11033212211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11221233011 - 2² = 11221233007 is a prime.

It is a super-2 number, since 2×11221233011² (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 (11221233013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217256 + ... + 263898.

It is an arithmetic number, because the mean of its divisors is an integer number (1415762010).

Almost surely, 2^11221233011 is an apocalyptic number.

11221233011 is a deficient number, since it is larger than the sum of its proper divisors (104863069).

11221233011 is a wasteful number, since it uses less digits than its factorization.

11221233011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48885.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11221233011 its reverse (11033212211), we get a palindrome (22254445222).

The spelling of 11221233011 in words is "eleven billion, two hundred twenty-one million, two hundred thirty-three thousand, eleven".