1121203322 has 4 divisors (see below), whose sum is σ = 1681804986. Its totient is φ = 560601660.

The previous prime is 1121203301. The next prime is 1121203361. The reversal of 1121203322 is 2233021211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2233021211 = 4481 ⋅498331.

It can be written as a sum of positive squares in only one way, i.e., 614097961 + 507105361 = 24781^2 + 22519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1121203322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280300829 + ... + 280300832.

Almost surely, 2^1121203322 is an apocalyptic number.

1121203322 is a deficient number, since it is larger than the sum of its proper divisors (560601664).

1121203322 is an equidigital number, since it uses as much as digits as its factorization.

1121203322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560601663.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1121203322 is about 33484.3742960803. The cubic root of 1121203322 is about 1038.8706064434.

Adding to 1121203322 its reverse (2233021211), we get a palindrome (3354224533).

The spelling of 1121203322 in words is "one billion, one hundred twenty-one million, two hundred three thousand, three hundred twenty-two".