211706705102 has 16 divisors (see below), whose sum is σ = 327449984400. Its totient is φ = 102604836672.

The previous prime is 211706705099. The next prime is 211706705113. The reversal of 211706705102 is 201507607112.

It is a congruent number.

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, 12022727 + ... + 12040322.

It is an arithmetic number, because the mean of its divisors is an integer number (20465624025).

Almost surely, 2^211706705102 is an apocalyptic number.

211706705102 is a deficient number, since it is larger than the sum of its proper divisors (115743279298).

211706705102 is a wasteful number, since it uses less digits than its factorization.

211706705102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24063187.

The product of its (nonzero) digits is 5880, while the sum is 32.

The spelling of 211706705102 in words is "two hundred eleven billion, seven hundred six million, seven hundred five thousand, one hundred two".