1121031322 has 4 divisors (see below), whose sum is σ = 1681546986. Its totient is φ = 560515660.

The previous prime is 1121031313. The next prime is 1121031341. The reversal of 1121031322 is 2231301211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2231301211 = 181 ⋅12327631.

It can be written as a sum of positive squares in only one way, i.e., 660027481 + 461003841 = 25691^2 + 21471^2 .

It is a super-2 number, since 2×1121031322² = 2513422449810135368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121031296 and 1121031305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280257829 + ... + 280257832.

Almost surely, 2^1121031322 is an apocalyptic number.

1121031322 is a deficient number, since it is larger than the sum of its proper divisors (560515664).

1121031322 is an equidigital number, since it uses as much as digits as its factorization.

1121031322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560515663.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1121031322 is about 33481.8058354086. The cubic root of 1121031322 is about 1038.8174805209.

Adding to 1121031322 its reverse (2231301211), we get a palindrome (3352332533).

The spelling of 1121031322 in words is "one billion, one hundred twenty-one million, thirty-one thousand, three hundred twenty-two".