202112003 has 2 divisors, whose sum is σ = 202112004. Its totient is φ = 202112002.

The previous prime is 202111981. The next prime is 202112039. The reversal of 202112003 is 300211202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202112003 - 2¹⁸ = 201849859 is a prime.

It is not a weakly prime, because it can be changed into another prime (202112203) by changing a digit.

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, 101056001 + 101056002.

It is an arithmetic number, because the mean of its divisors is an integer number (101056002).

Almost surely, 2^202112003 is an apocalyptic number.

202112003 is a deficient number, since it is larger than the sum of its proper divisors (1).

202112003 is an equidigital number, since it uses as much as digits as its factorization.

202112003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 202112003 is about 14216.6101093052. The cubic root of 202112003 is about 586.8548552966.

Adding to 202112003 its reverse (300211202), we get a palindrome (502323205).

The spelling of 202112003 in words is "two hundred two million, one hundred twelve thousand, three".