1123213131322 has 16 divisors (see below), whose sum is σ = 1785149521920. Its totient is φ = 528208579008.

The previous prime is 1123213131319. The next prime is 1123213131329. The reversal of 1123213131322 is 2231313123211.

It is not an unprimeable number, because it can be changed into a prime (1123213131329) 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, 11271738 + ... + 11370949.

It is an arithmetic number, because the mean of its divisors is an integer number (111571845120).

Almost surely, 2^{1123213131322} is an apocalyptic number.

1123213131322 is a deficient number, since it is larger than the sum of its proper divisors (661936390598).

1123213131322 is a wasteful number, since it uses less digits than its factorization.

1123213131322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22644165.

The product of its digits is 1296, while the sum is 25.

Adding to 1123213131322 its reverse (2231313123211), we get a palindrome (3354526254533).

The spelling of 1123213131322 in words is "one trillion, one hundred twenty-three billion, two hundred thirteen million, one hundred thirty-one thousand, three hundred twenty-two".