11142221271067 has 8 divisors (see below), whose sum is σ = 11797812945216. Its totient is φ = 10486648140672.

The previous prime is 11142221271019. The next prime is 11142221271091. The reversal of 11142221271067 is 76017212224111.

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 11142221271067 - 2¹⁹ = 11142220746779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11142221281067) 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, 3389283 + ... + 5811340.

It is an arithmetic number, because the mean of its divisors is an integer number (1474726618152).

Almost surely, 2^{11142221271067} is an apocalyptic number.

11142221271067 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11142221271067 is a deficient number, since it is larger than the sum of its proper divisors (655591674149).

11142221271067 is an equidigital number, since it uses as much as digits as its factorization.

11142221271067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271877.

The product of its (nonzero) digits is 18816, while the sum is 37.

Adding to 11142221271067 its reverse (76017212224111), we get a palindrome (87159433495178).

The spelling of 11142221271067 in words is "eleven trillion, one hundred forty-two billion, two hundred twenty-one million, two hundred seventy-one thousand, sixty-seven".