42131121140422 has 16 divisors (see below), whose sum is σ = 63322241763600. Its totient is φ = 21023709052320.

The previous prime is 42131121140413. The next prime is 42131121140447. The reversal of 42131121140422 is 22404112113124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48082672 + ... + 48951052.

It is an arithmetic number, because the mean of its divisors is an integer number (3957640110225).

Almost surely, 2^{42131121140422} is an apocalyptic number.

42131121140422 is a deficient number, since it is larger than the sum of its proper divisors (21191120623178).

42131121140422 is a wasteful number, since it uses less digits than its factorization.

42131121140422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916551.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 42131121140422 its reverse (22404112113124), we get a palindrome (64535233253546).

The spelling of 42131121140422 in words is "forty-two trillion, one hundred thirty-one billion, one hundred twenty-one million, one hundred forty thousand, four hundred twenty-two".