42101109988 has 12 divisors (see below), whose sum is σ = 84202220032. Its totient is φ = 18043332840.

The previous prime is 42101109971. The next prime is 42101110003. The reversal of 42101109988 is 88990110124.

It is a happy number.

42101109988 is an admirable number.

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, 751805508 + ... + 751805563.

Almost surely, 2^42101109988 is an apocalyptic number.

It is an amenable number.

42101109988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42101109988 is a wasteful number, since it uses less digits than its factorization.

42101109988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503611082 (or 1503611080 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 43.

The spelling of 42101109988 in words is "forty-two billion, one hundred one million, one hundred nine thousand, nine hundred eighty-eight".