122122343221221 has 64 divisors (see below), whose sum is σ = 194283825315840. Its totient is φ = 66763523566080.

The previous prime is 122122343221183. The next prime is 122122343221237.

It is a happy number.

122122343221221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122122343221221 - 2¹³ = 122122343213029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122343221621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 365833830 + ... + 366167496.

It is an arithmetic number, because the mean of its divisors is an integer number (3035684770560).

Almost surely, 2^{122122343221221} is an apocalyptic number.

It is an amenable number.

122122343221221 is a deficient number, since it is larger than the sum of its proper divisors (72161482094619).

122122343221221 is a wasteful number, since it uses less digits than its factorization.

122122343221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340114.

The product of its digits is 9216, while the sum is 30.

It can be divided in two parts, 122122 and 343221221, that added together give a palindrome (343343343).

The spelling of 122122343221221 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, three hundred forty-three million, two hundred twenty-one thousand, two hundred twenty-one".