1123021331322 has 16 divisors (see below), whose sum is σ = 2450228359392. Its totient is φ = 340309494320.

The previous prime is 1123021331291. The next prime is 1123021331323. The reversal of 1123021331322 is 2231331203211.

It is a super-2 number, since 2×1123021331322² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123021331292 and 1123021331301.

It is not an unprimeable number, because it can be changed into a prime (1123021331323) 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, 8507737293 + ... + 8507737424.

It is an arithmetic number, because the mean of its divisors is an integer number (153139272462).

Almost surely, 2^{1123021331322} is an apocalyptic number.

1123021331322 is an abundant number, since it is smaller than the sum of its proper divisors (1327207028070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123021331322 is a wasteful number, since it uses less digits than its factorization.

1123021331322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17015474733.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1123021331322 its reverse (2231331203211), we get a palindrome (3354352534533).

The spelling of 1123021331322 in words is "one trillion, one hundred twenty-three billion, twenty-one million, three hundred thirty-one thousand, three hundred twenty-two".