42113120202 has 24 divisors (see below), whose sum is σ = 91261818336. Its totient is φ = 14035133736.

The previous prime is 42113120173. The next prime is 42113120237. The reversal of 42113120202 is 20202131124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 112168 + ... + 311139.

It is an arithmetic number, because the mean of its divisors is an integer number (3802575764).

Almost surely, 2^42113120202 is an apocalyptic number.

42113120202 is an abundant number, since it is smaller than the sum of its proper divisors (49148698134).

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

42113120202 is a wasteful number, since it uses less digits than its factorization.

42113120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428842 (or 428839 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 42113120202 its reverse (20202131124), we get a palindrome (62315251326).

The spelling of 42113120202 in words is "forty-two billion, one hundred thirteen million, one hundred twenty thousand, two hundred two".