122010423221 has 8 divisors (see below), whose sum is σ = 127344521304. Its totient is φ = 116788622080.

The previous prime is 122010423209. The next prime is 122010423239. The reversal of 122010423221 is 122324010221.

It can be written as a sum of positive squares in 4 ways, for example, as 2423100625 + 119587322596 = 49225^2 + 345814^2 .

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 122010423221 - 2²⁶ = 121943314357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122010423193 and 122010423202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122010423251) 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, 28072016 + ... + 28076361.

It is an arithmetic number, because the mean of its divisors is an integer number (15918065163).

Almost surely, 2^122010423221 is an apocalyptic number.

It is an amenable number.

122010423221 is a deficient number, since it is larger than the sum of its proper divisors (5334098083).

122010423221 is an equidigital number, since it uses as much as digits as its factorization.

122010423221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56148471.

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

Adding to 122010423221 its reverse (122324010221), we get a palindrome (244334433442).

The spelling of 122010423221 in words is "one hundred twenty-two billion, ten million, four hundred twenty-three thousand, two hundred twenty-one".