11101221206 has 8 divisors (see below), whose sum is σ = 16653825264. Its totient is φ = 5549946120.

The previous prime is 11101221191. The next prime is 11101221227. The reversal of 11101221206 is 60212210111.

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

It is a super-2 number, since 2×11101221206² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311090 + ... + 344933.

It is an arithmetic number, because the mean of its divisors is an integer number (2081728158).

Almost surely, 2^11101221206 is an apocalyptic number.

11101221206 is a deficient number, since it is larger than the sum of its proper divisors (5552604058).

11101221206 is an equidigital number, since it uses as much as digits as its factorization.

11101221206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664486.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11101221206 its reverse (60212210111), we get a palindrome (71313431317).

The spelling of 11101221206 in words is "eleven billion, one hundred one million, two hundred twenty-one thousand, two hundred six".