2112100103 has 2 divisors, whose sum is σ = 2112100104. Its totient is φ = 2112100102.

The previous prime is 2112100099. The next prime is 2112100127. The reversal of 2112100103 is 3010012112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2112100103 - 2² = 2112100099 is a prime.

It is a super-2 number, since 2×2112100103² = 8921933690185221218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112100163) 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 as a sum of consecutive naturals, namely, 1056050051 + 1056050052.

It is an arithmetic number, because the mean of its divisors is an integer number (1056050052).

Almost surely, 2^2112100103 is an apocalyptic number.

2112100103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112100103 is an equidigital number, since it uses as much as digits as its factorization.

2112100103 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2112100103 is about 45957.5902653740. The cubic root of 2112100103 is about 1283.0340021206.

Adding to 2112100103 its reverse (3010012112), we get a palindrome (5122112215).

The spelling of 2112100103 in words is "two billion, one hundred twelve million, one hundred thousand, one hundred three".