11221102011 has 8 divisors (see below), whose sum is σ = 17098822144. Its totient is φ = 6412058280.

The previous prime is 11221102001. The next prime is 11221102019. The reversal of 11221102011 is 11020112211.

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

It is not a de Polignac number, because 11221102011 - 2¹⁷ = 11220970939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221102019) 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, 267169075 + ... + 267169116.

It is an arithmetic number, because the mean of its divisors is an integer number (2137352768).

Almost surely, 2^11221102011 is an apocalyptic number.

11221102011 is a deficient number, since it is larger than the sum of its proper divisors (5877720133).

11221102011 is an equidigital number, since it uses as much as digits as its factorization.

11221102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534338201.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11221102011 its reverse (11020112211), we get a palindrome (22241214222).

The spelling of 11221102011 in words is "eleven billion, two hundred twenty-one million, one hundred two thousand, eleven".