221132142303 has 8 divisors (see below), whose sum is σ = 304353916416. Its totient is φ = 142665898200.

The previous prime is 221132142277. The next prime is 221132142311. The reversal of 221132142303 is 303241231122.

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

It is not a de Polignac number, because 221132142303 - 2⁸ = 221132142047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221132142313) 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, 1188882393 + ... + 1188882578.

It is an arithmetic number, because the mean of its divisors is an integer number (38044239552).

Almost surely, 2^221132142303 is an apocalyptic number.

221132142303 is a deficient number, since it is larger than the sum of its proper divisors (83221774113).

221132142303 is a wasteful number, since it uses less digits than its factorization.

221132142303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377765005.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 221132142303 its reverse (303241231122), we get a palindrome (524373373425).

The spelling of 221132142303 in words is "two hundred twenty-one billion, one hundred thirty-two million, one hundred forty-two thousand, three hundred three".