210200010122111 has 2 divisors, whose sum is σ = 210200010122112. Its totient is φ = 210200010122110.

The previous prime is 210200010122071. The next prime is 210200010122129. The reversal of 210200010122111 is 111221010002012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210200010122111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210200010122611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105100005061055 + 105100005061056.

It is an arithmetic number, because the mean of its divisors is an integer number (105100005061056).

Almost surely, 2^{210200010122111} is an apocalyptic number.

210200010122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

210200010122111 is an equidigital number, since it uses as much as digits as its factorization.

210200010122111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210200010122111 its reverse (111221010002012), we get a palindrome (321421020124123).

The spelling of 210200010122111 in words is "two hundred ten trillion, two hundred billion, ten million, one hundred twenty-two thousand, one hundred eleven".