2100210010111 has 2 divisors, whose sum is σ = 2100210010112. Its totient is φ = 2100210010110.

The previous prime is 2100210010097. The next prime is 2100210010139. The reversal of 2100210010111 is 1110100120012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100210010111 - 2⁵ = 2100210010079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100210010141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050105005055 + 1050105005056.

It is an arithmetic number, because the mean of its divisors is an integer number (1050105005056).

Almost surely, 2^{2100210010111} is an apocalyptic number.

2100210010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100210010111 is an equidigital number, since it uses as much as digits as its factorization.

2100210010111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2100210010111 its reverse (1110100120012), we get a palindrome (3210310130123).

The spelling of 2100210010111 in words is "two trillion, one hundred billion, two hundred ten million, ten thousand, one hundred eleven".