212310203111 has 2 divisors, whose sum is σ = 212310203112. Its totient is φ = 212310203110.

The previous prime is 212310203107. The next prime is 212310203153. The reversal of 212310203111 is 111302013212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212310203111 - 2² = 212310203107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212310203111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212313203111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106155101555 + 106155101556.

It is an arithmetic number, because the mean of its divisors is an integer number (106155101556).

Almost surely, 2^212310203111 is an apocalyptic number.

212310203111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212310203111 is an equidigital number, since it uses as much as digits as its factorization.

212310203111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212310203111 its reverse (111302013212), we get a palindrome (323612216323).

The spelling of 212310203111 in words is "two hundred twelve billion, three hundred ten million, two hundred three thousand, one hundred eleven".