122212101212221 has 8 divisors (see below), whose sum is σ = 122257550676800. Its totient is φ = 122166655492320.

The previous prime is 122212101212203. The next prime is 122212101212237.

122212101212221 is nontrivially palindromic in base 10.

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 122212101212221 - 2⁵ = 122212101212189 is a prime.

It is a super-2 number, since 2×122212101212221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122212101212192 and 122212101212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212101212291) 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, 65216110 + ... + 67063888.

It is an arithmetic number, because the mean of its divisors is an integer number (15282193834600).

Almost surely, 2^{122212101212221} is an apocalyptic number.

It is an amenable number.

122212101212221 is a deficient number, since it is larger than the sum of its proper divisors (45449464579).

122212101212221 is a wasteful number, since it uses less digits than its factorization.

122212101212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872339.

The product of its (nonzero) digits is 256, while the sum is 22.

It can be divided in two parts, 12221210 and 1212221, that added together give a palindrome (13433431).

The spelling of 122212101212221 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred one million, two hundred twelve thousand, two hundred twenty-one".