202111103 has 8 divisors (see below), whose sum is σ = 208811520. Its totient is φ = 195422040.

The previous prime is 202111081. The next prime is 202111109. The reversal of 202111103 is 301111202.

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

It is a cyclic number.

It is not a de Polignac number, because 202111103 - 2¹⁰ = 202110079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48176 + ... + 52202.

It is an arithmetic number, because the mean of its divisors is an integer number (26101440).

Almost surely, 2^202111103 is an apocalyptic number.

202111103 is a deficient number, since it is larger than the sum of its proper divisors (6700417).

202111103 is a wasteful number, since it uses less digits than its factorization.

202111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 202111103 is about 14216.5784561546. The cubic root of 202111103 is about 586.8539842117.

Adding to 202111103 its reverse (301111202), we get a palindrome (503222305).

Subtracting 202111103 from its reverse (301111202), we obtain a palindrome (99000099).

The spelling of 202111103 in words is "two hundred two million, one hundred eleven thousand, one hundred three".