1122122212213 has 16 divisors (see below), whose sum is σ = 1151940799296. Its totient is φ = 1092811046400.

The previous prime is 1122122212207. The next prime is 1122122212217. The reversal of 1122122212213 is 3122122212211.

It is a cyclic number.

It is not a de Polignac number, because 1122122212213 - 2¹⁷ = 1122122081141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122122212217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245570 + ... + 1948252.

It is an arithmetic number, because the mean of its divisors is an integer number (71996299956).

Almost surely, 2^{1122122212213} is an apocalyptic number.

It is an amenable number.

1122122212213 is a deficient number, since it is larger than the sum of its proper divisors (29818587083).

1122122212213 is a wasteful number, since it uses less digits than its factorization.

1122122212213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703044.

The product of its digits is 384, while the sum is 22.

Adding to 1122122212213 its reverse (3122122212211), we get a palindrome (4244244424424).

The spelling of 1122122212213 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, two hundred thirteen".