271221701 has 2 divisors, whose sum is σ = 271221702. Its totient is φ = 271221700.

The previous prime is 271221661. The next prime is 271221703. The reversal of 271221701 is 107122172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171741025 + 99480676 = 13105^2 + 9974^2 .

It is a cyclic number.

It is not a de Polignac number, because 271221701 - 2²⁶ = 204112837 is a prime.

It is a super-2 number, since 2×271221701² = 147122422186666802, which contains 22 as substring.

Together with 271221703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271221703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135610850 + 135610851.

It is an arithmetic number, because the mean of its divisors is an integer number (135610851).

Almost surely, 2^271221701 is an apocalyptic number.

It is an amenable number.

271221701 is a deficient number, since it is larger than the sum of its proper divisors (1).

271221701 is an equidigital number, since it uses as much as digits as its factorization.

271221701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 271221701 is about 16468.8099448624. The cubic root of 271221701 is about 647.3037829642.

Adding to 271221701 its reverse (107122172), we get a palindrome (378343873).

The spelling of 271221701 in words is "two hundred seventy-one million, two hundred twenty-one thousand, seven hundred one".