42111310122 has 48 divisors (see below), whose sum is σ = 105250197312. Its totient is φ = 11919352320.

The previous prime is 42111310103. The next prime is 42111310123. The reversal of 42111310122 is 22101311124.

42111310122 is a `hidden beast` number, since 421 + 113 + 10 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42111310095 and 42111310104.

It is not an unprimeable number, because it can be changed into a prime (42111310123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1548279 + ... + 1575242.

It is an arithmetic number, because the mean of its divisors is an integer number (2192712444).

Almost surely, 2^42111310122 is an apocalyptic number.

42111310122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42111310122 is an abundant number, since it is smaller than the sum of its proper divisors (63138887190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42111310122 is a wasteful number, since it uses less digits than its factorization.

42111310122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123643 (or 3123640 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 42111310122 its reverse (22101311124), we get a palindrome (64212621246).

The spelling of 42111310122 in words is "forty-two billion, one hundred eleven million, three hundred ten thousand, one hundred twenty-two".