221442041142 has 48 divisors (see below), whose sum is σ = 549227371680. Its totient is φ = 63165920256.

The previous prime is 221442041101. The next prime is 221442041189. The reversal of 221442041142 is 241140244122.

221442041142 is a `hidden beast` number, since 221 + 4 + 4 + 20 + 411 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1356267 + ... + 1510742.

It is an arithmetic number, because the mean of its divisors is an integer number (11442236910).

Almost surely, 2^221442041142 is an apocalyptic number.

221442041142 is an abundant number, since it is smaller than the sum of its proper divisors (327785330538).

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

221442041142 is a wasteful number, since it uses less digits than its factorization.

221442041142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867637 (or 2867634 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 221442041142 its reverse (241140244122), we get a palindrome (462582285264).

The spelling of 221442041142 in words is "two hundred twenty-one billion, four hundred forty-two million, forty-one thousand, one hundred forty-two".