1121201112271 has 2 divisors, whose sum is σ = 1121201112272. Its totient is φ = 1121201112270.

The previous prime is 1121201112233. The next prime is 1121201112329. The reversal of 1121201112271 is 1722111021211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121201112271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121201112571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560600556135 + 560600556136.

It is an arithmetic number, because the mean of its divisors is an integer number (560600556136).

Almost surely, 2^{1121201112271} is an apocalyptic number.

1121201112271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121201112271 is an equidigital number, since it uses as much as digits as its factorization.

1121201112271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 1121201112271 its reverse (1722111021211), we get a palindrome (2843312133482).

The spelling of 1121201112271 in words is "one trillion, one hundred twenty-one billion, two hundred one million, one hundred twelve thousand, two hundred seventy-one".