11223330210121 has 4 divisors (see below), whose sum is σ = 11883526104852. Its totient is φ = 10563134315392.

The previous prime is 11223330210073. The next prime is 11223330210161. The reversal of 11223330210121 is 12101203332211.

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 3903248240896 + 7320081969225 = 1975664^2 + 2705565^2 .

It is a cyclic number.

It is not a de Polignac number, because 11223330210121 - 2²⁵ = 11223296655689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11223330210092 and 11223330210101.

It is not an unprimeable number, because it can be changed into a prime (11223330210161) 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 3 ways as a sum of consecutive naturals, for example, 330097947340 + ... + 330097947373.

It is an arithmetic number, because the mean of its divisors is an integer number (2970881526213).

Almost surely, 2^{11223330210121} is an apocalyptic number.

It is an amenable number.

11223330210121 is a deficient number, since it is larger than the sum of its proper divisors (660195894731).

11223330210121 is an equidigital number, since it uses as much as digits as its factorization.

11223330210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660195894730.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11223330210121 its reverse (12101203332211), we get a palindrome (23324533542332).

The spelling of 11223330210121 in words is "eleven trillion, two hundred twenty-three billion, three hundred thirty million, two hundred ten thousand, one hundred twenty-one".