211120122212009 has 8 divisors (see below), whose sum is σ = 212990820274080. Its totient is φ = 209249465876416.

The previous prime is 211120122211939. The next prime is 211120122212099. The reversal of 211120122212009 is 900212221021112.

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

It is a cyclic number.

It is not a de Polignac number, because 211120122212009 - 2²⁸ = 211119853776553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211120122212099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223487 + ... + 20549700.

It is an arithmetic number, because the mean of its divisors is an integer number (26623852534260).

Almost surely, 2^{211120122212009} is an apocalyptic number.

It is an amenable number.

211120122212009 is a deficient number, since it is larger than the sum of its proper divisors (1870698062071).

211120122212009 is a wasteful number, since it uses less digits than its factorization.

211120122212009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20863239.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 211120122212009 in words is "two hundred eleven trillion, one hundred twenty billion, one hundred twenty-two million, two hundred twelve thousand, nine".