211210202211009 has 8 divisors (see below), whose sum is σ = 281615413507872. Its totient is φ = 140805896194080.

The previous prime is 211210202211007. The next prime is 211210202211061. The reversal of 211210202211009 is 900112202012112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211210202211009 - 2¹ = 211210202211007 is a prime.

It is a super-2 number, since 2×211210202211009² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211210202211009.

It is not an unprimeable number, because it can be changed into a prime (211210202211007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 225775407 + ... + 226708964.

It is an arithmetic number, because the mean of its divisors is an integer number (35201926688484).

Almost surely, 2^{211210202211009} is an apocalyptic number.

It is an amenable number.

211210202211009 is a deficient number, since it is larger than the sum of its proper divisors (70405211296863).

211210202211009 is a wasteful number, since it uses less digits than its factorization.

211210202211009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452639967.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 211210202211009 in words is "two hundred eleven trillion, two hundred ten billion, two hundred two million, two hundred eleven thousand, nine".