1123203120202 has 8 divisors (see below), whose sum is σ = 1687384781316. Its totient is φ = 560741526432.

The previous prime is 1123203120199. The next prime is 1123203120211. The reversal of 1123203120202 is 2020213023211.

It can be written as a sum of positive squares in 2 ways, for example, as 1104409726281 + 18793393921 = 1050909^2 + 137089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1123203120202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430015203 + ... + 430017814.

Almost surely, 2^{1123203120202} is an apocalyptic number.

1123203120202 is a deficient number, since it is larger than the sum of its proper divisors (564181661114).

1123203120202 is an equidigital number, since it uses as much as digits as its factorization.

1123203120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860033672.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1123203120202 its reverse (2020213023211), we get a palindrome (3143416143413).

The spelling of 1123203120202 in words is "one trillion, one hundred twenty-three billion, two hundred three million, one hundred twenty thousand, two hundred two".