2115000022146 has 192 divisors, whose sum is σ = 5026975285248. Its totient is φ = 591039504000.

The previous prime is 2115000022111. The next prime is 2115000022189. The reversal of 2115000022146 is 6412200005112.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 140272360 + ... + 140287436.

It is an arithmetic number, because the mean of its divisors is an integer number (26182162944).

Almost surely, 2^{2115000022146} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2115000022146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2513487642624).

2115000022146 is an abundant number, since it is smaller than the sum of its proper divisors (2911975263102).

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

2115000022146 is a wasteful number, since it uses less digits than its factorization.

2115000022146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15429 (or 15418 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 2115000022146 its reverse (6412200005112), we get a palindrome (8527200027258).

The spelling of 2115000022146 in words is "two trillion, one hundred fifteen billion, twenty-two thousand, one hundred forty-six".