212103335111 has 2 divisors, whose sum is σ = 212103335112. Its totient is φ = 212103335110.

The previous prime is 212103335083. The next prime is 212103335173. The reversal of 212103335111 is 111533301212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212103335111 - 2³⁰ = 211029593287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212103335011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051667555 + 106051667556.

It is an arithmetic number, because the mean of its divisors is an integer number (106051667556).

Almost surely, 2^212103335111 is an apocalyptic number.

212103335111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212103335111 is an equidigital number, since it uses as much as digits as its factorization.

212103335111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 212103335111 its reverse (111533301212), we get a palindrome (323636636323).

The spelling of 212103335111 in words is "two hundred twelve billion, one hundred three million, three hundred thirty-five thousand, one hundred eleven".