2112100022118 has 32 divisors (see below), whose sum is σ = 4364769457152. Its totient is φ = 680649948000.

The previous prime is 2112100022117. The next prime is 2112100022129. The reversal of 2112100022118 is 8112200012112.

It is a junction number, because it is equal to n+sod(n) for n = 2112100022094 and 2112100022103.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5416408 + ... + 5793243.

It is an arithmetic number, because the mean of its divisors is an integer number (136399045536).

Almost surely, 2^{2112100022118} is an apocalyptic number.

2112100022118 is an abundant number, since it is smaller than the sum of its proper divisors (2252669435034).

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

2112100022118 is a wasteful number, since it uses less digits than its factorization.

2112100022118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11210700.

The product of its (nonzero) digits is 128, while the sum is 21.

The spelling of 2112100022118 in words is "two trillion, one hundred twelve billion, one hundred million, twenty-two thousand, one hundred eighteen".