2211188106285 has 96 divisors (see below), whose sum is σ = 4067470218240. Its totient is φ = 1107392477184.

The previous prime is 2211188106269. The next prime is 2211188106313. The reversal of 2211188106285 is 5826018811122.

2211188106285 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 1 + 8 + 8 + 10 + 628 + 5 = 666.

It is not a de Polignac number, because 2211188106285 - 2⁴ = 2211188106269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2211188106285.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1031817924 + ... + 1031820066.

It is an arithmetic number, because the mean of its divisors is an integer number (42369481440).

Almost surely, 2^{2211188106285} is an apocalyptic number.

It is an amenable number.

2211188106285 is a deficient number, since it is larger than the sum of its proper divisors (1856282111955).

2211188106285 is a wasteful number, since it uses less digits than its factorization.

2211188106285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627 (or 4624 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 45.

The spelling of 2211188106285 in words is "two trillion, two hundred eleven billion, one hundred eighty-eight million, one hundred six thousand, two hundred eighty-five".