11271051021271 has 16 divisors (see below), whose sum is σ = 11907626459904. Its totient is φ = 10646791809984.

The previous prime is 11271051021253. The next prime is 11271051021281. The reversal of 11271051021271 is 17212015017211.

It is a cyclic number.

It is not a de Polignac number, because 11271051021271 - 2⁵ = 11271051021239 is a prime.

It is a super-2 number, since 2×11271051021271² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11271051021281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3512875 + ... + 5906131.

It is an arithmetic number, because the mean of its divisors is an integer number (744226653744).

Almost surely, 2^{11271051021271} is an apocalyptic number.

11271051021271 is a deficient number, since it is larger than the sum of its proper divisors (636575438633).

11271051021271 is a wasteful number, since it uses less digits than its factorization.

11271051021271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395830.

The product of its (nonzero) digits is 1960, while the sum is 31.

Adding to 11271051021271 its reverse (17212015017211), we get a palindrome (28483066038482).

The spelling of 11271051021271 in words is "eleven trillion, two hundred seventy-one billion, fifty-one million, twenty-one thousand, two hundred seventy-one".