12223111121021 has 8 divisors (see below), whose sum is σ = 12247508193984. Its totient is φ = 12198737911360.

The previous prime is 12223111120949. The next prime is 12223111121059. The reversal of 12223111121021 is 12012111132221.

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 12223111121021 - 2¹⁴ = 12223111104637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12223111120984 and 12223111121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223111321021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4940201 + ... + 6989406.

It is an arithmetic number, because the mean of its divisors is an integer number (1530938524248).

Almost surely, 2^{12223111121021} is an apocalyptic number.

It is an amenable number.

12223111121021 is a deficient number, since it is larger than the sum of its proper divisors (24397072963).

12223111121021 is a wasteful number, since it uses less digits than its factorization.

12223111121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11931651.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 12223111121021 its reverse (12012111132221), we get a palindrome (24235222253242).

The spelling of 12223111121021 in words is "twelve trillion, two hundred twenty-three billion, one hundred eleven million, one hundred twenty-one thousand, twenty-one".