1123421202202 has 8 divisors (see below), whose sum is σ = 1814757326676. Its totient is φ = 518502093312.

The previous prime is 1123421202187. The next prime is 1123421202259. The reversal of 1123421202202 is 2022021243211.

It can be written as a sum of positive squares in 2 ways, for example, as 1107943602921 + 15477599281 = 1052589^2 + 124409^2 .

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

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, 21604253863 + ... + 21604253914.

Almost surely, 2^{1123421202202} is an apocalyptic number.

1123421202202 is a deficient number, since it is larger than the sum of its proper divisors (691336124474).

1123421202202 is a wasteful number, since it uses less digits than its factorization.

1123421202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43208507792.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1123421202202 its reverse (2022021243211), we get a palindrome (3145442445413).

The spelling of 1123421202202 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-one million, two hundred two thousand, two hundred two".