11200111021271 has 2 divisors, whose sum is σ = 11200111021272. Its totient is φ = 11200111021270.

The previous prime is 11200111021243. The next prime is 11200111021277. The reversal of 11200111021271 is 17212011100211.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (17212011100211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11200111021271 is a prime.

It is a super-2 number, since 2×11200111021271² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11200111021277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600055510635 + 5600055510636.

It is an arithmetic number, because the mean of its divisors is an integer number (5600055510636).

Almost surely, 2^{11200111021271} is an apocalyptic number.

11200111021271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200111021271 is an equidigital number, since it uses as much as digits as its factorization.

11200111021271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 20.

Adding to 11200111021271 its reverse (17212011100211), we get a palindrome (28412122121482).

The spelling of 11200111021271 in words is "eleven trillion, two hundred billion, one hundred eleven million, twenty-one thousand, two hundred seventy-one".