121102100012111 has 2 divisors, whose sum is σ = 121102100012112. Its totient is φ = 121102100012110.

The previous prime is 121102100012081. The next prime is 121102100012141. The reversal of 121102100012111 is 111210001201121.

It is a balanced prime because it is at equal distance from previous prime (121102100012081) and next prime (121102100012141).

It is a cyclic number.

It is not a de Polignac number, because 121102100012111 - 2³⁸ = 120827222105167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121102100012141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551050006055 + 60551050006056.

It is an arithmetic number, because the mean of its divisors is an integer number (60551050006056).

Almost surely, 2^{121102100012111} is an apocalyptic number.

121102100012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102100012111 is an equidigital number, since it uses as much as digits as its factorization.

121102100012111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121102100012111 its reverse (111210001201121), we get a palindrome (232312101213232).

The spelling of 121102100012111 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred million, twelve thousand, one hundred eleven".