1101112110121 has 2 divisors, whose sum is σ = 1101112110122. Its totient is φ = 1101112110120.

The previous prime is 1101112110079. The next prime is 1101112110127. The reversal of 1101112110121 is 1210112111011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 815490272025 + 285621838096 = 903045^2 + 534436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101112110121 - 2³³ = 1092522175529 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101112110127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550556055060 + 550556055061.

It is an arithmetic number, because the mean of its divisors is an integer number (550556055061).

Almost surely, 2^{1101112110121} is an apocalyptic number.

It is an amenable number.

1101112110121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101112110121 is an equidigital number, since it uses as much as digits as its factorization.

1101112110121 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 1101112110121 its reverse (1210112111011), we get a palindrome (2311224221132).

The spelling of 1101112110121 in words is "one trillion, one hundred one billion, one hundred twelve million, one hundred ten thousand, one hundred twenty-one".