210122111222209 has 32 divisors (see below), whose sum is σ = 221692852592640. Its totient is φ = 198759804241152.

The previous prime is 210122111222143. The next prime is 210122111222279. The reversal of 210122111222209 is 902222111221012.

It is a cyclic number.

It is not a de Polignac number, because 210122111222209 - 2¹⁹ = 210122110697921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210122111222279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10121966172 + ... + 10121986930.

It is an arithmetic number, because the mean of its divisors is an integer number (6927901643520).

Almost surely, 2^{210122111222209} is an apocalyptic number.

It is an amenable number.

210122111222209 is a deficient number, since it is larger than the sum of its proper divisors (11570741370431).

210122111222209 is a wasteful number, since it uses less digits than its factorization.

210122111222209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26589.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 210122111222209 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred nine".