1122214243221 has 6 divisors (see below), whose sum is σ = 1620976129110. Its totient is φ = 748142828808.

The previous prime is 1122214243207. The next prime is 1122214243253. The reversal of 1122214243221 is 1223424122211.

1122214243221 is a `hidden beast` number, since 1 + 1 + 2 + 221 + 4 + 2 + 432 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 842916791025 + 279297452196 = 918105^2 + 528486^2 .

It is not a de Polignac number, because 1122214243221 - 2¹³ = 1122214235029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122214245221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62345235726 + ... + 62345235743.

It is an arithmetic number, because the mean of its divisors is an integer number (270162688185).

Almost surely, 2^{1122214243221} is an apocalyptic number.

It is an amenable number.

1122214243221 is a deficient number, since it is larger than the sum of its proper divisors (498761885889).

1122214243221 is a wasteful number, since it uses less digits than its factorization.

1122214243221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124690471475 (or 124690471472 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 1122214243221 its reverse (1223424122211), we get a palindrome (2345638365432).

The spelling of 1122214243221 in words is "one trillion, one hundred twenty-two billion, two hundred fourteen million, two hundred forty-three thousand, two hundred twenty-one".