11100010021171 has 2 divisors, whose sum is σ = 11100010021172. Its totient is φ = 11100010021170.

The previous prime is 11100010021153. The next prime is 11100010021237. The reversal of 11100010021171 is 17112001000111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11100010021171 - 2¹³ = 11100010012979 is a prime.

It is a super-2 number, since 2×11100010021171² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11100010621171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550005010585 + 5550005010586.

It is an arithmetic number, because the mean of its divisors is an integer number (5550005010586).

Almost surely, 2^{11100010021171} is an apocalyptic number.

11100010021171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100010021171 is an equidigital number, since it uses as much as digits as its factorization.

11100010021171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 16.

Adding to 11100010021171 its reverse (17112001000111), we get a palindrome (28212011021282).

The spelling of 11100010021171 in words is "eleven trillion, one hundred billion, ten million, twenty-one thousand, one hundred seventy-one".