42112221104 has 20 divisors (see below), whose sum is σ = 83582488920. Its totient is φ = 20542546560.

The previous prime is 42112221049. The next prime is 42112221119. The reversal of 42112221104 is 40112221124.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32097074 + ... + 32098385.

It is an arithmetic number, because the mean of its divisors is an integer number (4179124446).

Almost surely, 2^42112221104 is an apocalyptic number.

It is an amenable number.

42112221104 is a deficient number, since it is larger than the sum of its proper divisors (41470267816).

42112221104 is a wasteful number, since it uses less digits than its factorization.

42112221104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64195508 (or 64195502 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 42112221104 its sum of digits (20), we get a palindrome (42112221124).

Adding to 42112221104 its reverse (40112221124), we get a palindrome (82224442228).

The spelling of 42112221104 in words is "forty-two billion, one hundred twelve million, two hundred twenty-one thousand, one hundred four".