2112522042 has 16 divisors (see below), whose sum is σ = 4233350880. Its totient is φ = 702789552.

The previous prime is 2112522029. The next prime is 2112522047. The reversal of 2112522042 is 2402252112.

It is not an unprimeable number, because it can be changed into a prime (2112522047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342808 + ... + 348915.

It is an arithmetic number, because the mean of its divisors is an integer number (264584430).

Almost surely, 2^2112522042 is an apocalyptic number.

2112522042 is an abundant number, since it is smaller than the sum of its proper divisors (2120828838).

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

2112522042 is a wasteful number, since it uses less digits than its factorization.

2112522042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692237.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2112522042 is about 45962.1805618489. The cubic root of 2112522042 is about 1283.1194346304.

Adding to 2112522042 its reverse (2402252112), we get a palindrome (4514774154).

The spelling of 2112522042 in words is "two billion, one hundred twelve million, five hundred twenty-two thousand, forty-two".