11221001143 has 8 divisors (see below), whose sum is σ = 12423795840. Its totient is φ = 10048657080.

The previous prime is 11221001119. The next prime is 11221001161. The reversal of 11221001143 is 34110012211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11221001143 - 2⁹ = 11221000631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221001443) 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, 7611883 + ... + 7613356.

It is an arithmetic number, because the mean of its divisors is an integer number (1552974480).

Almost surely, 2^11221001143 is an apocalyptic number.

11221001143 is a deficient number, since it is larger than the sum of its proper divisors (1202794697).

11221001143 is a wasteful number, since it uses less digits than its factorization.

11221001143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15225317.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11221001143 its reverse (34110012211), we get a palindrome (45331013354).

The spelling of 11221001143 in words is "eleven billion, two hundred twenty-one million, one thousand, one hundred forty-three".