2112110220212 has 48 divisors (see below), whose sum is σ = 3751210310400. Its totient is φ = 1040427548160.

The previous prime is 2112110220193. The next prime is 2112110220263. The reversal of 2112110220212 is 2120220112112.

It is a super-2 number, since 2×2112110220212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132637283 + ... + 132653205.

It is an arithmetic number, because the mean of its divisors is an integer number (78150214800).

Almost surely, 2^{2112110220212} is an apocalyptic number.

It is an amenable number.

2112110220212 is a deficient number, since it is larger than the sum of its proper divisors (1639100090188).

2112110220212 is a wasteful number, since it uses less digits than its factorization.

2112110220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17336 (or 17334 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112110220212 its reverse (2120220112112), we get a palindrome (4232330332324).

The spelling of 2112110220212 in words is "two trillion, one hundred twelve billion, one hundred ten million, two hundred twenty thousand, two hundred twelve".