11101212343 has 12 divisors (see below), whose sum is σ = 12107345880. Its totient is φ = 10173530016.

The previous prime is 11101212337. The next prime is 11101212373. The reversal of 11101212343 is 34321210111.

It is not a de Polignac number, because 11101212343 - 2²⁵ = 11067657911 is a prime.

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 11101212343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101212373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212796 + ... + 259777.

It is an arithmetic number, because the mean of its divisors is an integer number (1008945490).

Almost surely, 2^11101212343 is an apocalyptic number.

11101212343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11101212343 is a deficient number, since it is larger than the sum of its proper divisors (1006133537).

11101212343 is a wasteful number, since it uses less digits than its factorization.

11101212343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472738 (or 472725 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11101212343 its reverse (34321210111), we get a palindrome (45422422454).

The spelling of 11101212343 in words is "eleven billion, one hundred one million, two hundred twelve thousand, three hundred forty-three".