11101143 has 8 divisors (see below), whose sum is σ = 14940288. Its totient is φ = 7331384.

The previous prime is 11101141. The next prime is 11101151. The reversal of 11101143 is 34110111.

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 11101143 - 2¹ = 11101141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101141) 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, 16971 + ... + 17612.

It is an arithmetic number, because the mean of its divisors is an integer number (1867536).

Almost surely, 2^11101143 is an apocalyptic number.

11101143 is a deficient number, since it is larger than the sum of its proper divisors (3839145).

11101143 is a wasteful number, since it uses less digits than its factorization.

11101143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34693.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 11101143 is about 3331.8377811652. The cubic root of 11101143 is about 223.0775669087.

Adding to 11101143 its reverse (34110111), we get a palindrome (45211254).

The spelling of 11101143 in words is "eleven million, one hundred one thousand, one hundred forty-three".