271220520101 has 2 divisors, whose sum is σ = 271220520102. Its totient is φ = 271220520100.

The previous prime is 271220520079. The next prime is 271220520107. The reversal of 271220520101 is 101025022172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240836544001 + 30383976100 = 490751^2 + 174310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-271220520101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271220520107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135610260050 + 135610260051.

It is an arithmetic number, because the mean of its divisors is an integer number (135610260051).

Almost surely, 2^271220520101 is an apocalyptic number.

It is an amenable number.

271220520101 is a deficient number, since it is larger than the sum of its proper divisors (1).

271220520101 is an equidigital number, since it uses as much as digits as its factorization.

271220520101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 271220520101 its reverse (101025022172), we get a palindrome (372245542273).

The spelling of 271220520101 in words is "two hundred seventy-one billion, two hundred twenty million, five hundred twenty thousand, one hundred one".