42122102220330 has 128 divisors (see below), whose sum is σ = 115092605362176. Its totient is φ = 9766225497600.

The previous prime is 42122102220271. The next prime is 42122102220337. The reversal of 42122102220330 is 3302220122124.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42122102220330.

It is not an unprimeable number, because it can be changed into a prime (42122102220337) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61220382 + ... + 61904598.

It is an arithmetic number, because the mean of its divisors is an integer number (899160979392).

Almost surely, 2^{42122102220330} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42122102220330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57546302681088).

42122102220330 is an abundant number, since it is smaller than the sum of its proper divisors (72970503141846).

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

42122102220330 is a wasteful number, since it uses less digits than its factorization.

42122102220330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692372.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 42122102220330 its reverse (3302220122124), we get a palindrome (45424322342454).

The spelling of 42122102220330 in words is "forty-two trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty thousand, three hundred thirty".