11101443203431 has 4 divisors (see below), whose sum is σ = 12687363661072. Its totient is φ = 9515522745792.

The previous prime is 11101443203393. The next prime is 11101443203437. The reversal of 11101443203431 is 13430234410111.

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

It is not a de Polignac number, because 11101443203431 - 2¹¹ = 11101443201383 is a prime.

It is a super-2 number, since 2×11101443203431² (a number of 27 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 11101443203431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101443203437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792960228810 + ... + 792960228823.

It is an arithmetic number, because the mean of its divisors is an integer number (3171840915268).

Almost surely, 2^{11101443203431} is an apocalyptic number.

11101443203431 is a deficient number, since it is larger than the sum of its proper divisors (1585920457641).

11101443203431 is an equidigital number, since it uses as much as digits as its factorization.

11101443203431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585920457640.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 11101443203431 its reverse (13430234410111), we get a palindrome (24531677613542).

The spelling of 11101443203431 in words is "eleven trillion, one hundred one billion, four hundred forty-three million, two hundred three thousand, four hundred thirty-one".