42103421141 has 4 divisors (see below), whose sum is σ = 42111943872. Its totient is φ = 42094898412.

The previous prime is 42103421131. The next prime is 42103421153. The reversal of 42103421141 is 14112430124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42103421141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42103421131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4253951 + ... + 4263836.

It is an arithmetic number, because the mean of its divisors is an integer number (10527985968).

Almost surely, 2^42103421141 is an apocalyptic number.

It is an amenable number.

42103421141 is a deficient number, since it is larger than the sum of its proper divisors (8522731).

42103421141 is an equidigital number, since it uses as much as digits as its factorization.

42103421141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8522730.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 42103421141 its reverse (14112430124), we get a palindrome (56215851265).

The spelling of 42103421141 in words is "forty-two billion, one hundred three million, four hundred twenty-one thousand, one hundred forty-one".