22310121201221 has 16 divisors (see below), whose sum is σ = 25862174125440. Its totient is φ = 18850945060800.

The previous prime is 22310121201131. The next prime is 22310121201299. The reversal of 22310121201221 is 12210212101322.

It is a cyclic number.

It is not a de Polignac number, because 22310121201221 - 2²⁶ = 22310054092357 is a prime.

It is a super-3 number, since 3×22310121201221³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22310121201193 and 22310121201202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22310121209221) 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 15 ways as a sum of consecutive naturals, for example, 68737751 + ... + 69061556.

It is an arithmetic number, because the mean of its divisors is an integer number (1616385882840).

Almost surely, 2^{22310121201221} is an apocalyptic number.

It is an amenable number.

22310121201221 is a deficient number, since it is larger than the sum of its proper divisors (3552052924219).

22310121201221 is a wasteful number, since it uses less digits than its factorization.

22310121201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137799644.

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

Adding to 22310121201221 its reverse (12210212101322), we get a palindrome (34520333302543).

The spelling of 22310121201221 in words is "twenty-two trillion, three hundred ten billion, one hundred twenty-one million, two hundred one thousand, two hundred twenty-one".