1131111213322 has 4 divisors (see below), whose sum is σ = 1696666819986. Its totient is φ = 565555606660.

The previous prime is 1131111213319. The next prime is 1131111213341. The reversal of 1131111213322 is 2233121111311.

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

It can be written as a sum of positive squares in only one way, i.e., 1121377220401 + 9733992921 = 1058951^2 + 98661^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1131111213293 and 1131111213302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282777803329 + ... + 282777803332.

Almost surely, 2^{1131111213322} is an apocalyptic number.

1131111213322 is a deficient number, since it is larger than the sum of its proper divisors (565555606664).

1131111213322 is an equidigital number, since it uses as much as digits as its factorization.

1131111213322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565555606663.

The product of its digits is 216, while the sum is 22.

Adding to 1131111213322 its reverse (2233121111311), we get a palindrome (3364232324633).

The spelling of 1131111213322 in words is "one trillion, one hundred thirty-one billion, one hundred eleven million, two hundred thirteen thousand, three hundred twenty-two".