1201110121247 has 2 divisors, whose sum is σ = 1201110121248. Its totient is φ = 1201110121246.

The previous prime is 1201110121217. The next prime is 1201110121259. The reversal of 1201110121247 is 7421210111021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201110121247 - 2²⁶ = 1201043012383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201110121207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600555060623 + 600555060624.

It is an arithmetic number, because the mean of its divisors is an integer number (600555060624).

Almost surely, 2^{1201110121247} is an apocalyptic number.

1201110121247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201110121247 is an equidigital number, since it uses as much as digits as its factorization.

1201110121247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 1201110121247 its reverse (7421210111021), we get a palindrome (8622320232268).

The spelling of 1201110121247 in words is "one trillion, two hundred one billion, one hundred ten million, one hundred twenty-one thousand, two hundred forty-seven".