11010122222221 has 8 divisors (see below), whose sum is σ = 11702122752320. Its totient is φ = 10329373733472.

The previous prime is 11010122222201. The next prime is 11010122222237. The reversal of 11010122222221 is 12222222101011.

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 11010122222221 - 2¹⁷ = 11010122091149 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010122222201) 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, 2813008320 + ... + 2813012233.

It is an arithmetic number, because the mean of its divisors is an integer number (1462765344040).

Almost surely, 2^{11010122222221} is an apocalyptic number.

It is an amenable number.

11010122222221 is a deficient number, since it is larger than the sum of its proper divisors (692000530099).

11010122222221 is a wasteful number, since it uses less digits than its factorization.

11010122222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626020675.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11010122222221 its reverse (12222222101011), we get a palindrome (23232344323232).

It can be divided in two parts, 1101012 and 2222221, that added together give a palindrome (3323233).

The spelling of 11010122222221 in words is "eleven trillion, ten billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-one".