103211212209 has 16 divisors (see below), whose sum is σ = 166525653888. Its totient is φ = 55508550912.

The previous prime is 103211212129. The next prime is 103211212241. The reversal of 103211212209 is 902212112301.

It is not a de Polignac number, because 103211212209 - 2¹¹ = 103211210161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103211212259) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 144553162 + ... + 144553875.

It is an arithmetic number, because the mean of its divisors is an integer number (10407853368).

Almost surely, 2^103211212209 is an apocalyptic number.

It is an amenable number.

103211212209 is a deficient number, since it is larger than the sum of its proper divisors (63314441679).

103211212209 is a wasteful number, since it uses less digits than its factorization.

103211212209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289107064.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 103211212209 in words is "one hundred three billion, two hundred eleven million, two hundred twelve thousand, two hundred nine".