2112102001242 has 16 divisors (see below), whose sum is σ = 4693560002880. Its totient is φ = 704034000396.

The previous prime is 2112102001211. The next prime is 2112102001267. The reversal of 2112102001242 is 2421002012112.

2112102001242 is a `hidden beast` number, since 2 + 11 + 210 + 200 + 1 + 242 = 666.

It is a super-2 number, since 2×2112102001242² (a number of 25 digits) contains 22 as substring.

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

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, 19556499958 + ... + 19556500065.

It is an arithmetic number, because the mean of its divisors is an integer number (293347500180).

Almost surely, 2^{2112102001242} is an apocalyptic number.

2112102001242 is an abundant number, since it is smaller than the sum of its proper divisors (2581458001638).

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

2112102001242 is a wasteful number, since it uses less digits than its factorization.

2112102001242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39113000034 (or 39113000028 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2112102001242 its reverse (2421002012112), we get a palindrome (4533104013354).

The spelling of 2112102001242 in words is "two trillion, one hundred twelve billion, one hundred two million, one thousand, two hundred forty-two".