122221141221 has 8 divisors (see below), whose sum is σ = 162963287584. Its totient is φ = 81479877840.

The previous prime is 122221141199. The next prime is 122221141243. The reversal of 122221141221 is 122141122221.

It is an interprime number because it is at equal distance from previous prime (122221141199) and next prime (122221141243).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122221141221 - 2¹³ = 122221133029 is a prime.

It is a super-2 number, since 2×122221141221² (a number of 23 digits) contains 22 as substring.

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 (122221141271) 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, 239055 + ... + 549171.

It is an arithmetic number, because the mean of its divisors is an integer number (20370410948).

Almost surely, 2^122221141221 is an apocalyptic number.

It is an amenable number.

122221141221 is a deficient number, since it is larger than the sum of its proper divisors (40742146363).

122221141221 is a wasteful number, since it uses less digits than its factorization.

122221141221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441491.

The product of its digits is 256, while the sum is 21.

Adding to 122221141221 its reverse (122141122221), we get a palindrome (244362263442).

The spelling of 122221141221 in words is "one hundred twenty-two billion, two hundred twenty-one million, one hundred forty-one thousand, two hundred twenty-one".