212102200111 has 2 divisors, whose sum is σ = 212102200112. Its totient is φ = 212102200110.

The previous prime is 212102200073. The next prime is 212102200127. The reversal of 212102200111 is 111002201212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212102200111 - 2¹⁹ = 212101675823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212102200091 and 212102200100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212102240111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051100055 + 106051100056.

It is an arithmetic number, because the mean of its divisors is an integer number (106051100056).

Almost surely, 2^212102200111 is an apocalyptic number.

212102200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212102200111 is an equidigital number, since it uses as much as digits as its factorization.

212102200111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212102200111 its reverse (111002201212), we get a palindrome (323104401323).

The spelling of 212102200111 in words is "two hundred twelve billion, one hundred two million, two hundred thousand, one hundred eleven".