10212201122111 has 2 divisors, whose sum is σ = 10212201122112. Its totient is φ = 10212201122110.

The previous prime is 10212201122107. The next prime is 10212201122113. The reversal of 10212201122111 is 11122110221201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10212201122111 - 2² = 10212201122107 is a prime.

Together with 10212201122113, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10212201122111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212201122113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106100561055 + 5106100561056.

It is an arithmetic number, because the mean of its divisors is an integer number (5106100561056).

Almost surely, 2^{10212201122111} is an apocalyptic number.

10212201122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212201122111 is an equidigital number, since it uses as much as digits as its factorization.

10212201122111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10212201122111 its reverse (11122110221201), we get a palindrome (21334311343312).

The spelling of 10212201122111 in words is "ten trillion, two hundred twelve billion, two hundred one million, one hundred twenty-two thousand, one hundred eleven".