2115663222112 has 24 divisors (see below), whose sum is σ = 4543867602792. Its totient is φ = 961665100800.

The previous prime is 2115663222097. The next prime is 2115663222161. The reversal of 2115663222112 is 2112223665112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3005203089 + ... + 3005203792.

It is an arithmetic number, because the mean of its divisors is an integer number (189327816783).

Almost surely, 2^{2115663222112} is an apocalyptic number.

2115663222112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2115663222112 is an abundant number, since it is smaller than the sum of its proper divisors (2428204380680).

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

2115663222112 is a wasteful number, since it uses less digits than its factorization.

2115663222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010406902 (or 6010406894 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

Adding to 2115663222112 its reverse (2112223665112), we get a palindrome (4227886887224).

The spelling of 2115663222112 in words is "two trillion, one hundred fifteen billion, six hundred sixty-three million, two hundred twenty-two thousand, one hundred twelve".