2105206066106 has 16 divisors (see below), whose sum is σ = 3709873627488. Its totient is φ = 883303244400.

The previous prime is 2105206066021. The next prime is 2105206066141. The reversal of 2105206066106 is 6016606025012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3680429900 + ... + 3680430471.

It is an arithmetic number, because the mean of its divisors is an integer number (231867101718).

Almost surely, 2^{2105206066106} is an apocalyptic number.

2105206066106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2105206066106 is a deficient number, since it is larger than the sum of its proper divisors (1604667561382).

2105206066106 is a wasteful number, since it uses less digits than its factorization.

2105206066106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7360860397.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 2105206066106 in words is "two trillion, one hundred five billion, two hundred six million, sixty-six thousand, one hundred six".