10212112102111 has 2 divisors, whose sum is σ = 10212112102112. Its totient is φ = 10212112102110.

The previous prime is 10212112102109. The next prime is 10212112102133. The reversal of 10212112102111 is 11120121121201.

10212112102111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10212112102111 - 2¹ = 10212112102109 is a prime.

Together with 10212112102109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212112102411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106056051055 + 5106056051056.

It is an arithmetic number, because the mean of its divisors is an integer number (5106056051056).

Almost surely, 2^{10212112102111} is an apocalyptic number.

10212112102111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212112102111 is an equidigital number, since it uses as much as digits as its factorization.

10212112102111 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 16.

Adding to 10212112102111 its reverse (11120121121201), we get a palindrome (21332233223312).

The spelling of 10212112102111 in words is "ten trillion, two hundred twelve billion, one hundred twelve million, one hundred two thousand, one hundred eleven".