11101133143 has 4 divisors (see below), whose sum is σ = 11109538048. Its totient is φ = 11092728240.

The previous prime is 11101133083. The next prime is 11101133203. The reversal of 11101133143 is 34133110111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11101133083) and next prime (11101133203).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101133143 is a prime.

It is a super-2 number, since 2×11101133143² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11101133143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101133443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4200471 + ... + 4203112.

It is an arithmetic number, because the mean of its divisors is an integer number (2777384512).

Almost surely, 2^11101133143 is an apocalyptic number.

11101133143 is a deficient number, since it is larger than the sum of its proper divisors (8404905).

11101133143 is an equidigital number, since it uses as much as digits as its factorization.

11101133143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8404904.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11101133143 its reverse (34133110111), we get a palindrome (45234243254).

The spelling of 11101133143 in words is "eleven billion, one hundred one million, one hundred thirty-three thousand, one hundred forty-three".