42111213122 has 32 divisors (see below), whose sum is σ = 73351137600. Its totient is φ = 17930246400.

The previous prime is 42111213101. The next prime is 42111213127. The reversal of 42111213122 is 22131211124.

It is a junction number, because it is equal to n+sod(n) for n = 42111213094 and 42111213103.

It is not an unprimeable number, because it can be changed into a prime (42111213127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528779 + ... + 603182.

It is an arithmetic number, because the mean of its divisors is an integer number (2292223050).

Almost surely, 2^42111213122 is an apocalyptic number.

42111213122 is a deficient number, since it is larger than the sum of its proper divisors (31239924478).

42111213122 is a wasteful number, since it uses less digits than its factorization.

42111213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132082.

The product of its digits is 192, while the sum is 20.

Adding to 42111213122 its reverse (22131211124), we get a palindrome (64242424246).

The spelling of 42111213122 in words is "forty-two billion, one hundred eleven million, two hundred thirteen thousand, one hundred twenty-two".