211247312106 has 16 divisors (see below), whose sum is σ = 432799371648. Its totient is φ = 68698312800.

The previous prime is 211247312093. The next prime is 211247312131. The reversal of 211247312106 is 601213742112.

211247312106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429364210 + ... + 429364701.

It is an arithmetic number, because the mean of its divisors is an integer number (27049960728).

Almost surely, 2^211247312106 is an apocalyptic number.

211247312106 is an abundant number, since it is smaller than the sum of its proper divisors (221552059542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211247312106 is a wasteful number, since it uses less digits than its factorization.

211247312106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858728957.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 211247312106 in words is "two hundred eleven billion, two hundred forty-seven million, three hundred twelve thousand, one hundred six".