1100201311171 has 2 divisors, whose sum is σ = 1100201311172. Its totient is φ = 1100201311170.

The previous prime is 1100201311159. The next prime is 1100201311259. The reversal of 1100201311171 is 1711131020011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100201311171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100201311141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550100655585 + 550100655586.

It is an arithmetic number, because the mean of its divisors is an integer number (550100655586).

Almost surely, 2^{1100201311171} is an apocalyptic number.

1100201311171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100201311171 is an equidigital number, since it uses as much as digits as its factorization.

1100201311171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 19.

Adding to 1100201311171 its reverse (1711131020011), we get a palindrome (2811332331182).

The spelling of 1100201311171 in words is "one trillion, one hundred billion, two hundred one million, three hundred eleven thousand, one hundred seventy-one".