122214441221 has 4 divisors (see below), whose sum is σ = 123474384012. Its totient is φ = 120954498432.

The previous prime is 122214441187. The next prime is 122214441281. The reversal of 122214441221 is 122144412221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25111156225 + 97103284996 = 158465^2 + 311614^2 .

It is a cyclic number.

It is not a de Polignac number, because 122214441221 - 2¹⁰ = 122214440197 is a prime.

It is a super-2 number, since 2×122214441221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122214441281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629971250 + ... + 629971443.

It is an arithmetic number, because the mean of its divisors is an integer number (30868596003).

Almost surely, 2^122214441221 is an apocalyptic number.

It is an amenable number.

122214441221 is a deficient number, since it is larger than the sum of its proper divisors (1259942791).

122214441221 is an equidigital number, since it uses as much as digits as its factorization.

122214441221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259942790.

The product of its digits is 2048, while the sum is 26.

Adding to 122214441221 its reverse (122144412221), we get a palindrome (244358853442).

It can be divided in two parts, 1 and 22214441221, that added together give a palindrome (22214441222).

The spelling of 122214441221 in words is "one hundred twenty-two billion, two hundred fourteen million, four hundred forty-one thousand, two hundred twenty-one".