121101110002111 has 2 divisors, whose sum is σ = 121101110002112. Its totient is φ = 121101110002110.

The previous prime is 121101110002063. The next prime is 121101110002133. The reversal of 121101110002111 is 111200011101121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121101110002111 - 2³⁵ = 121066750263743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121101110002091 and 121101110002100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121101110002181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550555001055 + 60550555001056.

It is an arithmetic number, because the mean of its divisors is an integer number (60550555001056).

Almost surely, 2^{121101110002111} is an apocalyptic number.

121101110002111 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101110002111 is an equidigital number, since it uses as much as digits as its factorization.

121101110002111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 121101110002111 its reverse (111200011101121), we get a palindrome (232301121103232).

The spelling of 121101110002111 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred ten million, two thousand, one hundred eleven".