11102211121 has 8 divisors (see below), whose sum is σ = 11295223488. Its totient is φ = 10909554000.

The previous prime is 11102211103. The next prime is 11102211139. The reversal of 11102211121 is 12111220111.

It is a happy number.

11102211121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11102211103) and next prime (11102211139).

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 11102211121 - 2¹¹ = 11102209073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11102211101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25375 + ... + 151156.

It is an arithmetic number, because the mean of its divisors is an integer number (1411902936).

Almost surely, 2^11102211121 is an apocalyptic number.

It is an amenable number.

11102211121 is a deficient number, since it is larger than the sum of its proper divisors (193012367).

11102211121 is a wasteful number, since it uses less digits than its factorization.

11102211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177623.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11102211121 its reverse (12111220111), we get a palindrome (23213431232).

The spelling of 11102211121 in words is "eleven billion, one hundred two million, two hundred eleven thousand, one hundred twenty-one".