2112225110505 has 12 divisors (see below), whose sum is σ = 3661190191620. Its totient is φ = 1126520058912.

The previous prime is 2112225110467. The next prime is 2112225110509. The reversal of 2112225110505 is 5050115222112.

2112225110505 is a `hidden beast` number, since 2 + 1 + 1 + 22 + 25 + 110 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1369581024681 + 742644085824 = 1170291^2 + 861768^2 .

It is not a de Polignac number, because 2112225110505 - 2⁷ = 2112225110377 is a prime.

It is a super-2 number, since 2×2112225110505² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2112225110509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23469167850 + ... + 23469167939.

It is an arithmetic number, because the mean of its divisors is an integer number (305099182635).

Almost surely, 2^{2112225110505} is an apocalyptic number.

It is an amenable number.

2112225110505 is a deficient number, since it is larger than the sum of its proper divisors (1548965081115).

2112225110505 is a wasteful number, since it uses less digits than its factorization.

2112225110505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46938335800 (or 46938335797 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The spelling of 2112225110505 in words is "two trillion, one hundred twelve billion, two hundred twenty-five million, one hundred ten thousand, five hundred five".