221142110343 has 32 divisors (see below), whose sum is σ = 367638289920. Its totient is φ = 114871071360.

The previous prime is 221142110311. The next prime is 221142110347. The reversal of 221142110343 is 343011241122.

221142110343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221142110343 - 2⁵ = 221142110311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221142110347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4901773 + ... + 4946681.

It is an arithmetic number, because the mean of its divisors is an integer number (11488696560).

Almost surely, 2^221142110343 is an apocalyptic number.

221142110343 is a deficient number, since it is larger than the sum of its proper divisors (146496179577).

221142110343 is a wasteful number, since it uses less digits than its factorization.

221142110343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66247.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 221142110343 its reverse (343011241122), we get a palindrome (564153351465).

The spelling of 221142110343 in words is "two hundred twenty-one billion, one hundred forty-two million, one hundred ten thousand, three hundred forty-three".