42111343020 has 96 divisors (see below), whose sum is σ = 121799172096. Its totient is φ = 10859961600.

The previous prime is 42111342979. The next prime is 42111343061. The reversal of 42111343020 is 2034311124.

It is an interprime number because it is at equal distance from previous prime (42111342979) and next prime (42111343061).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3008077 + ... + 3022043.

It is an arithmetic number, because the mean of its divisors is an integer number (1268741376).

Almost surely, 2^42111343020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42111343020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60899586048).

42111343020 is an abundant number, since it is smaller than the sum of its proper divisors (79687829076).

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

42111343020 is a wasteful number, since it uses less digits than its factorization.

42111343020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15631 (or 15629 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 42111343020 its reverse (2034311124), we get a palindrome (44145654144).

The spelling of 42111343020 in words is "forty-two billion, one hundred eleven million, three hundred forty-three thousand, twenty".