22321120121 has 4 divisors (see below), whose sum is σ = 22379400192. Its totient is φ = 22262840052.

The previous prime is 22321120117. The next prime is 22321120163. The reversal of 22321120121 is 12102112322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22321120121 - 2² = 22321120117 is a prime.

It is a super-3 number, since 3×22321120121³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22321120121.

It is not an unprimeable number, because it can be changed into a prime (22321120321) 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, 29139461 + ... + 29140226.

It is an arithmetic number, because the mean of its divisors is an integer number (5594850048).

Almost surely, 2^22321120121 is an apocalyptic number.

It is an amenable number.

22321120121 is a deficient number, since it is larger than the sum of its proper divisors (58280071).

22321120121 is an equidigital number, since it uses as much as digits as its factorization.

22321120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58280070.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22321120121 its reverse (12102112322), we get a palindrome (34423232443).

The spelling of 22321120121 in words is "twenty-two billion, three hundred twenty-one million, one hundred twenty thousand, one hundred twenty-one".