221404132142 has 32 divisors (see below), whose sum is σ = 337520701440. Its totient is φ = 108911133760.

The previous prime is 221404132133. The next prime is 221404132193. The reversal of 221404132142 is 241231404122.

221404132142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30197417 + ... + 30204747.

It is an arithmetic number, because the mean of its divisors is an integer number (10547521920).

Almost surely, 2^221404132142 is an apocalyptic number.

221404132142 is a deficient number, since it is larger than the sum of its proper divisors (116116569298).

221404132142 is a wasteful number, since it uses less digits than its factorization.

221404132142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8248.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 221404132142 its reverse (241231404122), we get a palindrome (462635536264).

The spelling of 221404132142 in words is "two hundred twenty-one billion, four hundred four million, one hundred thirty-two thousand, one hundred forty-two".