42103132111 has 4 divisors (see below), whose sum is σ = 42120554112. Its totient is φ = 42085710112.

The previous prime is 42103132091. The next prime is 42103132117. The reversal of 42103132111 is 11123130124.

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

It is a cyclic number.

It is not a de Polignac number, because 42103132111 - 2⁵ = 42103132079 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 (42103132117) 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, 8707375 + ... + 8712208.

It is an arithmetic number, because the mean of its divisors is an integer number (10530138528).

Almost surely, 2^42103132111 is an apocalyptic number.

42103132111 is a deficient number, since it is larger than the sum of its proper divisors (17422001).

42103132111 is a wasteful number, since it uses less digits than its factorization.

42103132111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17422000.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 42103132111 its reverse (11123130124), we get a palindrome (53226262235).

The spelling of 42103132111 in words is "forty-two billion, one hundred three million, one hundred thirty-two thousand, one hundred eleven".