212100102210103 has 2 divisors, whose sum is σ = 212100102210104. Its totient is φ = 212100102210102.

The previous prime is 212100102210091. The next prime is 212100102210109. The reversal of 212100102210103 is 301012201001212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212100102210103 - 2⁵ = 212100102210071 is a prime.

It is a super-2 number, since 2×212100102210103² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212100102210109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050051105051 + 106050051105052.

It is an arithmetic number, because the mean of its divisors is an integer number (106050051105052).

Almost surely, 2^{212100102210103} is an apocalyptic number.

212100102210103 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100102210103 is an equidigital number, since it uses as much as digits as its factorization.

212100102210103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212100102210103 its reverse (301012201001212), we get a palindrome (513112303211315).

The spelling of 212100102210103 in words is "two hundred twelve trillion, one hundred billion, one hundred two million, two hundred ten thousand, one hundred three".