11110221199871 has 8 divisors (see below), whose sum is σ = 11282014845360. Its totient is φ = 10938603126528.

The previous prime is 11110221199859. The next prime is 11110221199873. The reversal of 11110221199871 is 17899112201111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11110221199871 - 2⁶ = 11110221199807 is a prime.

It is a super-2 number, since 2×11110221199871² (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 (11110221199873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43765496 + ... + 44018621.

It is an arithmetic number, because the mean of its divisors is an integer number (1410251855670).

Almost surely, 2^{11110221199871} is an apocalyptic number.

11110221199871 is a deficient number, since it is larger than the sum of its proper divisors (171793645489).

11110221199871 is an equidigital number, since it uses as much as digits as its factorization.

11110221199871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87786073.

The product of its (nonzero) digits is 18144, while the sum is 44.

The spelling of 11110221199871 in words is "eleven trillion, one hundred ten billion, two hundred twenty-one million, one hundred ninety-nine thousand, eight hundred seventy-one".