2116711555112 has 64 divisors (see below), whose sum is σ = 4973795280000. Its totient is φ = 820419747840.

The previous prime is 2116711555111. The next prime is 2116711555121. The reversal of 2116711555112 is 2115551176112.

It is a super-2 number, since 2×2116711555112² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2116711555111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8783237 + ... + 9021012.

It is an arithmetic number, because the mean of its divisors is an integer number (77715551250).

Almost surely, 2^{2116711555112} is an apocalyptic number.

2116711555112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2116711555112 is an abundant number, since it is smaller than the sum of its proper divisors (2857083724888).

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

2116711555112 is a wasteful number, since it uses less digits than its factorization.

2116711555112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17804466 (or 17804462 counting only the distinct ones).

The product of its digits is 21000, while the sum is 38.

The spelling of 2116711555112 in words is "two trillion, one hundred sixteen billion, seven hundred eleven million, five hundred fifty-five thousand, one hundred twelve".