11143210001 has 12 divisors (see below), whose sum is σ = 14140920240. Its totient is φ = 8683020360.

The previous prime is 11143209977. The next prime is 11143210019. The reversal of 11143210001 is 10001234111.

It is a de Polignac number, because none of the positive numbers 2^k-11143210001 is a prime.

It is a super-2 number, since 2×11143210001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11143210061) 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, 10336391 + ... + 10337468.

It is an arithmetic number, because the mean of its divisors is an integer number (1178410020).

Almost surely, 2^11143210001 is an apocalyptic number.

11143210001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11143210001 is a deficient number, since it is larger than the sum of its proper divisors (2997710239).

11143210001 is a wasteful number, since it uses less digits than its factorization.

11143210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20673884 (or 20673877 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11143210001 its reverse (10001234111), we get a palindrome (21144444112).

The spelling of 11143210001 in words is "eleven billion, one hundred forty-three million, two hundred ten thousand, one".