10211243210111 has 2 divisors, whose sum is σ = 10211243210112. Its totient is φ = 10211243210110.

The previous prime is 10211243210101. The next prime is 10211243210143. The reversal of 10211243210111 is 11101234211201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10211243210111 - 2³⁸ = 9936365303167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211243210101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105621605055 + 5105621605056.

It is an arithmetic number, because the mean of its divisors is an integer number (5105621605056).

Almost surely, 2^{10211243210111} is an apocalyptic number.

10211243210111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211243210111 is an equidigital number, since it uses as much as digits as its factorization.

10211243210111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 10211243210111 its reverse (11101234211201), we get a palindrome (21312477421312).

The spelling of 10211243210111 in words is "ten trillion, two hundred eleven billion, two hundred forty-three million, two hundred ten thousand, one hundred eleven".