100100212103 has 2 divisors, whose sum is σ = 100100212104. Its totient is φ = 100100212102.

The previous prime is 100100212049. The next prime is 100100212117. The reversal of 100100212103 is 301212001001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100100212103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100100212183) 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, 50050106051 + 50050106052.

It is an arithmetic number, because the mean of its divisors is an integer number (50050106052).

Almost surely, 2^100100212103 is an apocalyptic number.

100100212103 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100212103 is an equidigital number, since it uses as much as digits as its factorization.

100100212103 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.

Adding to 100100212103 its reverse (301212001001), we get a palindrome (401312213104).

The spelling of 100100212103 in words is "one hundred billion, one hundred million, two hundred twelve thousand, one hundred three".