10121201120111 has 2 divisors, whose sum is σ = 10121201120112. Its totient is φ = 10121201120110.

The previous prime is 10121201120083. The next prime is 10121201120159. The reversal of 10121201120111 is 11102110212101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10121201120111 is a prime.

It is a super-2 number, since 2×10121201120111² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121201120711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060600560055 + 5060600560056.

It is an arithmetic number, because the mean of its divisors is an integer number (5060600560056).

Almost surely, 2^{10121201120111} is an apocalyptic number.

10121201120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121201120111 is an equidigital number, since it uses as much as digits as its factorization.

10121201120111 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 14.

Adding to 10121201120111 its reverse (11102110212101), we get a palindrome (21223311332212).

The spelling of 10121201120111 in words is "ten trillion, one hundred twenty-one billion, two hundred one million, one hundred twenty thousand, one hundred eleven".