223222120121 has 32 divisors (see below), whose sum is σ = 300030587136. Its totient is φ = 160388064000.

The previous prime is 223222120097. The next prime is 223222120139. The reversal of 223222120121 is 121021222322.

It is a cyclic number.

It is not a de Polignac number, because 223222120121 - 2¹⁰ = 223222119097 is a prime.

It is a super-3 number, since 3×223222120121³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 223222120093 and 223222120102.

It is not an unprimeable number, because it can be changed into a prime (223222120151) 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 31 ways as a sum of consecutive naturals, for example, 823451 + ... + 1060431.

It is an arithmetic number, because the mean of its divisors is an integer number (9375955848).

Almost surely, 2^223222120121 is an apocalyptic number.

It is an amenable number.

223222120121 is a deficient number, since it is larger than the sum of its proper divisors (76808467015).

223222120121 is a wasteful number, since it uses less digits than its factorization.

223222120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237953.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 223222120121 its reverse (121021222322), we get a palindrome (344243342443).

It can be divided in two parts, 223222 and 120121, that added together give a palindrome (343343).

The spelling of 223222120121 in words is "two hundred twenty-three billion, two hundred twenty-two million, one hundred twenty thousand, one hundred twenty-one".