11322100222121 has 4 divisors (see below), whose sum is σ = 12193031008452. Its totient is φ = 10451169435792.

The previous prime is 11322100222007. The next prime is 11322100222241. The reversal of 11322100222121 is 12122200122311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5246097070096 + 6076003152025 = 2290436^2 + 2464955^2 .

It is a cyclic number.

It is not a de Polignac number, because 11322100222121 - 2¹⁰ = 11322100221097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11322100222093 and 11322100222102.

It is not an unprimeable number, because it can be changed into a prime (11322100222621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435465393146 + ... + 435465393171.

It is an arithmetic number, because the mean of its divisors is an integer number (3048257752113).

Almost surely, 2^{11322100222121} is an apocalyptic number.

It is an amenable number.

11322100222121 is a deficient number, since it is larger than the sum of its proper divisors (870930786331).

11322100222121 is an equidigital number, since it uses as much as digits as its factorization.

11322100222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870930786330.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11322100222121 its reverse (12122200122311), we get a palindrome (23444300344432).

The spelling of 11322100222121 in words is "eleven trillion, three hundred twenty-two billion, one hundred million, two hundred twenty-two thousand, one hundred twenty-one".