2112151065416 has 96 divisors (see below), whose sum is σ = 4758450105600. Its totient is φ = 875458120320.

The previous prime is 2112151065403. The next prime is 2112151065419. The reversal of 2112151065416 is 6145601512112.

It is a super-2 number, since 2×2112151065416² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112151065419) 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 23 ways as a sum of consecutive naturals, for example, 19620410 + ... + 19727766.

It is an arithmetic number, because the mean of its divisors is an integer number (49567188600).

Almost surely, 2^{2112151065416} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112151065416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2379225052800).

2112151065416 is an abundant number, since it is smaller than the sum of its proper divisors (2646299040184).

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

2112151065416 is a wasteful number, since it uses less digits than its factorization.

2112151065416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109027 (or 109016 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

Adding to 2112151065416 its reverse (6145601512112), we get a palindrome (8257752577528).

The spelling of 2112151065416 in words is "two trillion, one hundred twelve billion, one hundred fifty-one million, sixty-five thousand, four hundred sixteen".