1122322131211 has 4 divisors (see below), whose sum is σ = 1122727743712. Its totient is φ = 1121916518712.

The previous prime is 1122322131179. The next prime is 1122322131221. The reversal of 1122322131211 is 1121312232211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1122322131211 - 2⁵ = 1122322131179 is a prime.

It is a super-2 number, since 2×1122322131211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122322131221) 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 3 ways as a sum of consecutive naturals, for example, 202802100 + ... + 202807633.

It is an arithmetic number, because the mean of its divisors is an integer number (280681935928).

Almost surely, 2^{1122322131211} is an apocalyptic number.

1122322131211 is a deficient number, since it is larger than the sum of its proper divisors (405612501).

1122322131211 is an equidigital number, since it uses as much as digits as its factorization.

1122322131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405612500.

The product of its digits is 288, while the sum is 22.

Adding to 1122322131211 its reverse (1121312232211), we get a palindrome (2243634363422).

The spelling of 1122322131211 in words is "one trillion, one hundred twenty-two billion, three hundred twenty-two million, one hundred thirty-one thousand, two hundred eleven".