2112303400202 has 4 divisors (see below), whose sum is σ = 3168455100306. Its totient is φ = 1056151700100.

The previous prime is 2112303400201. The next prime is 2112303400243. The reversal of 2112303400202 is 2020043032112.

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., 2072214951361 + 40088448841 = 1439519^2 + 200221^2 .

It is not an unprimeable number, because it can be changed into a prime (2112303400201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528075850049 + ... + 528075850052.

Almost surely, 2^{2112303400202} is an apocalyptic number.

2112303400202 is a deficient number, since it is larger than the sum of its proper divisors (1056151700104).

2112303400202 is a wasteful number, since it uses less digits than its factorization.

2112303400202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056151700103.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2112303400202 its reverse (2020043032112), we get a palindrome (4132346432314).

The spelling of 2112303400202 in words is "two trillion, one hundred twelve billion, three hundred three million, four hundred thousand, two hundred two".