42111223113 has 4 divisors (see below), whose sum is σ = 56148297488. Its totient is φ = 28074148740.

The previous prime is 42111223111. The next prime is 42111223129. The reversal of 42111223113 is 31132211124.

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 not a de Polignac number, because 42111223113 - 2¹ = 42111223111 is a prime.

It is a super-2 number, since 2×42111223113² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42111223113.

It is not an unprimeable number, because it can be changed into a prime (42111223111) 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, 7018537183 + ... + 7018537188.

It is an arithmetic number, because the mean of its divisors is an integer number (14037074372).

Almost surely, 2^42111223113 is an apocalyptic number.

It is an amenable number.

42111223113 is a deficient number, since it is larger than the sum of its proper divisors (14037074375).

42111223113 is a wasteful number, since it uses less digits than its factorization.

42111223113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14037074374.

The product of its digits is 288, while the sum is 21.

Adding to 42111223113 its reverse (31132211124), we get a palindrome (73243434237).

The spelling of 42111223113 in words is "forty-two billion, one hundred eleven million, two hundred twenty-three thousand, one hundred thirteen".