42400201122 has 12 divisors (see below), whose sum is σ = 91867102470. Its totient is φ = 14133400368.

The previous prime is 42400201111. The next prime is 42400201159. The reversal of 42400201122 is 22110200424.

42400201122 is a `hidden beast` number, since 42 + 400 + 201 + 1 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29207151801 + 13193049321 = 170901^2 + 114861^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2355566729 = 42400201122 / (4 + 2 + 4 + 0 + 0 + 2 + 0 + 1 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 42400201095 and 42400201104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1177783347 + ... + 1177783382.

Almost surely, 2^42400201122 is an apocalyptic number.

42400201122 is an abundant number, since it is smaller than the sum of its proper divisors (49466901348).

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

42400201122 is a wasteful number, since it uses less digits than its factorization.

42400201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355566737 (or 2355566734 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 42400201122 its reverse (22110200424), we get a palindrome (64510401546).

The spelling of 42400201122 in words is "forty-two billion, four hundred million, two hundred one thousand, one hundred twenty-two".