42102121433104 has 40 divisors (see below), whose sum is σ = 81701793607680. Its totient is φ = 21017790776448.

The previous prime is 42102121433081. The next prime is 42102121433201. The reversal of 42102121433104 is 40133412120124.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 240624019 + ... + 240798925.

It is an arithmetic number, because the mean of its divisors is an integer number (2042544840192).

Almost surely, 2^{42102121433104} is an apocalyptic number.

It is an amenable number.

42102121433104 is a deficient number, since it is larger than the sum of its proper divisors (39599672174576).

42102121433104 is a wasteful number, since it uses less digits than its factorization.

42102121433104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198607 (or 198601 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 42102121433104 its reverse (40133412120124), we get a palindrome (82235533553228).

The spelling of 42102121433104 in words is "forty-two trillion, one hundred two billion, one hundred twenty-one million, four hundred thirty-three thousand, one hundred four".