42120401110 has 16 divisors (see below), whose sum is σ = 75972411936. Its totient is φ = 16813562688.

The previous prime is 42120401069. The next prime is 42120401129. The reversal of 42120401110 is 1110402124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4319607 + ... + 4329346.

It is an arithmetic number, because the mean of its divisors is an integer number (4748275746).

Almost surely, 2^42120401110 is an apocalyptic number.

42120401110 is a deficient number, since it is larger than the sum of its proper divisors (33852010826).

42120401110 is a wasteful number, since it uses less digits than its factorization.

42120401110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8649447.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 42120401110 its reverse (1110402124), we get a palindrome (43230803234).

The spelling of 42120401110 in words is "forty-two billion, one hundred twenty million, four hundred one thousand, one hundred ten".