271220520100 has 18 divisors (see below), whose sum is σ = 588548528834. Its totient is φ = 108488208000.

The previous prime is 271220520079. The next prime is 271220520101. The reversal of 271220520100 is 1025022172.

It can be written as a sum of positive squares in 3 ways, for example, as 66737488896 + 204483031204 = 258336^2 + 452198^2 .

It is not an unprimeable number, because it can be changed into a prime (271220520101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1356102501 + ... + 1356102700.

Almost surely, 2^271220520100 is an apocalyptic number.

271220520100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

271220520100 is an abundant number, since it is smaller than the sum of its proper divisors (317328008734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

271220520100 is a wasteful number, since it uses less digits than its factorization.

271220520100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712205215 (or 2712205208 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

Adding to 271220520100 its reverse (1025022172), we get a palindrome (272245542272).

The spelling of 271220520100 in words is "two hundred seventy-one billion, two hundred twenty million, five hundred twenty thousand, one hundred".