122202120222221 has 8 divisors (see below), whose sum is σ = 131727738319800. Its totient is φ = 112694424268032.

The previous prime is 122202120222181. The next prime is 122202120222223. The reversal of 122202120222221 is 122222021202221.

It can be written as a sum of positive squares in 4 ways, for example, as 5463387337321 + 116738732884900 = 2337389^2 + 10804570^2 .

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 122202120222221 - 2⁶ = 122202120222157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202120222223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4480521680 + ... + 4480548953.

It is an arithmetic number, because the mean of its divisors is an integer number (16465967289975).

Almost surely, 2^{122202120222221} is an apocalyptic number.

It is an amenable number.

122202120222221 is a deficient number, since it is larger than the sum of its proper divisors (9525618097579).

122202120222221 is a wasteful number, since it uses less digits than its factorization.

122202120222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8961071695.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 122202120222221 its reverse (122222021202221), we get a palindrome (244424141424442).

The spelling of 122202120222221 in words is "one hundred twenty-two trillion, two hundred two billion, one hundred twenty million, two hundred twenty-two thousand, two hundred twenty-one".