212124025111 has 2 divisors, whose sum is σ = 212124025112. Its totient is φ = 212124025110.

The previous prime is 212124025103. The next prime is 212124025129. The reversal of 212124025111 is 111520421212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212124025111 - 2³ = 212124025103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212124025511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106062012555 + 106062012556.

It is an arithmetic number, because the mean of its divisors is an integer number (106062012556).

Almost surely, 2^212124025111 is an apocalyptic number.

212124025111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212124025111 is an equidigital number, since it uses as much as digits as its factorization.

212124025111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 212124025111 its reverse (111520421212), we get a palindrome (323644446323).

The spelling of 212124025111 in words is "two hundred twelve billion, one hundred twenty-four million, twenty-five thousand, one hundred eleven".