210020002111 has 2 divisors, whose sum is σ = 210020002112. Its totient is φ = 210020002110.

The previous prime is 210020002067. The next prime is 210020002121. The reversal of 210020002111 is 111200020012.

It is an a-pointer prime, because the next prime (210020002121) can be obtained adding 210020002111 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210020002111 - 2⁹ = 210020001599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210020002121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010001055 + 105010001056.

It is an arithmetic number, because the mean of its divisors is an integer number (105010001056).

Almost surely, 2^210020002111 is an apocalyptic number.

210020002111 is a deficient number, since it is larger than the sum of its proper divisors (1).

210020002111 is an equidigital number, since it uses as much as digits as its factorization.

210020002111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210020002111 its reverse (111200020012), we get a palindrome (321220022123).

The spelling of 210020002111 in words is "two hundred ten billion, twenty million, two thousand, one hundred eleven".