2112212355530 has 16 divisors (see below), whose sum is σ = 3803313051720. Its totient is φ = 844589206272.

The previous prime is 2112212355521. The next prime is 2112212355569. The reversal of 2112212355530 is 355532122112.

It can be written as a sum of positive squares in 4 ways, for example, as 1546424063809 + 565788291721 = 1243553^2 + 752189^2 .

It is a super-2 number, since 2×2112212355530² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 36936995 + ... + 36994134.

Almost surely, 2^{2112212355530} is an apocalyptic number.

2112212355530 is a deficient number, since it is larger than the sum of its proper divisors (1691100696190).

2112212355530 is a wasteful number, since it uses less digits than its factorization.

2112212355530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73933993.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 2112212355530 its reverse (355532122112), we get a palindrome (2467744477642).

The spelling of 2112212355530 in words is "two trillion, one hundred twelve billion, two hundred twelve million, three hundred fifty-five thousand, five hundred thirty".