210010012012111 has 2 divisors, whose sum is σ = 210010012012112. Its totient is φ = 210010012012110.

The previous prime is 210010012012091. The next prime is 210010012012117. The reversal of 210010012012111 is 111210210010012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210010012012111 - 2⁷ = 210010012011983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210010012012091 and 210010012012100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210010012012117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005006006055 + 105005006006056.

It is an arithmetic number, because the mean of its divisors is an integer number (105005006006056).

Almost surely, 2^{210010012012111} is an apocalyptic number.

210010012012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

210010012012111 is an equidigital number, since it uses as much as digits as its factorization.

210010012012111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210010012012111 its reverse (111210210010012), we get a palindrome (321220222022123).

The spelling of 210010012012111 in words is "two hundred ten trillion, ten billion, twelve million, twelve thousand, one hundred eleven".