11102222121121 has 16 divisors (see below), whose sum is σ = 11706074553600. Its totient is φ = 10500325980048.

The previous prime is 11102222121077. The next prime is 11102222121127. The reversal of 11102222121121 is 12112122220111.

It is a happy number.

It is not a de Polignac number, because 11102222121121 - 2¹⁷ = 11102221990049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11102222121127) 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, 116490330 + ... + 116585596.

It is an arithmetic number, because the mean of its divisors is an integer number (731629659600).

Almost surely, 2^{11102222121121} is an apocalyptic number.

It is an amenable number.

11102222121121 is a deficient number, since it is larger than the sum of its proper divisors (603852432479).

11102222121121 is an equidigital number, since it uses as much as digits as its factorization.

11102222121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105468.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11102222121121 its reverse (12112122220111), we get a palindrome (23214344341232).

The spelling of 11102222121121 in words is "eleven trillion, one hundred two billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-one".