221434140141042 has 32 divisors (see below), whose sum is σ = 444617098391232. Its totient is φ = 73520090238144.

The previous prime is 221434140141029. The next prime is 221434140141043. The reversal of 221434140141042 is 240141041434122.

221434140141042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221434140140994 and 221434140141012.

It is not an unprimeable number, because it can be changed into a prime (221434140141043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17558373 + ... + 27407384.

It is an arithmetic number, because the mean of its divisors is an integer number (13894284324726).

Almost surely, 2^{221434140141042} is an apocalyptic number.

221434140141042 is an abundant number, since it is smaller than the sum of its proper divisors (223182958250190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221434140141042 is a wasteful number, since it uses less digits than its factorization.

221434140141042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44969002.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 221434140141042 its reverse (240141041434122), we get a palindrome (461575181575164).

The spelling of 221434140141042 in words is "two hundred twenty-one trillion, four hundred thirty-four billion, one hundred forty million, one hundred forty-one thousand, forty-two".