42121141131302 has 4 divisors (see below), whose sum is σ = 63181711696956. Its totient is φ = 21060570565650.

The previous prime is 42121141131259. The next prime is 42121141131319. The reversal of 42121141131302 is 20313114112124.

It is a happy number.

42121141131302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×42121141131302² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10530285282824 + ... + 10530285282827.

It is an arithmetic number, because the mean of its divisors is an integer number (15795427924239).

Almost surely, 2^{42121141131302} is an apocalyptic number.

42121141131302 is a deficient number, since it is larger than the sum of its proper divisors (21060570565654).

42121141131302 is a wasteful number, since it uses less digits than its factorization.

42121141131302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21060570565653.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 42121141131302 its reverse (20313114112124), we get a palindrome (62434255243426).

The spelling of 42121141131302 in words is "forty-two trillion, one hundred twenty-one billion, one hundred forty-one million, one hundred thirty-one thousand, three hundred two".