2112206154016 has 96 divisors (see below), whose sum is σ = 4788355848192. Its totient is φ = 898397982720.

The previous prime is 2112206153989. The next prime is 2112206154083. The reversal of 2112206154016 is 6104516022112.

It is a happy number.

It is a super-2 number, since 2×2112206154016² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190781761 + ... + 190792831.

It is an arithmetic number, because the mean of its divisors is an integer number (49878706752).

Almost surely, 2^{2112206154016} 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 2112206154016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2394177924096).

2112206154016 is an abundant number, since it is smaller than the sum of its proper divisors (2676149694176).

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

2112206154016 is a wasteful number, since it uses less digits than its factorization.

2112206154016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17442 (or 17434 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 2112206154016 in words is "two trillion, one hundred twelve billion, two hundred six million, one hundred fifty-four thousand, sixteen".