2112100022116 has 24 divisors (see below), whose sum is σ = 4310408211200. Its totient is φ = 905185723176.

The previous prime is 2112100022099. The next prime is 2112100022117. The reversal of 2112100022116 is 6112200012112.

It is a junction number, because it is equal to n+sod(n) for n = 2112100022093 and 2112100022102.

It is not an unprimeable number, because it can be changed into a prime (2112100022117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769714380 + ... + 769717123.

Almost surely, 2^{2112100022116} is an apocalyptic number.

It is an amenable number.

2112100022116 is an abundant number, since it is smaller than the sum of its proper divisors (2198308189084).

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

2112100022116 is a wasteful number, since it uses less digits than its factorization.

2112100022116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539431528 (or 1539431512 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2112100022116 its reverse (6112200012112), we get a palindrome (8224300034228).

The spelling of 2112100022116 in words is "two trillion, one hundred twelve billion, one hundred million, twenty-two thousand, one hundred sixteen".