10211222209 has 16 divisors (see below), whose sum is σ = 10906970112. Its totient is φ = 9537415888.

The previous prime is 10211222179. The next prime is 10211222237. The reversal of 10211222209 is 90222211201.

It is not a de Polignac number, because 10211222209 - 2⁷ = 10211222081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10211222209.

It is not an unprimeable number, because it can be changed into a prime (10211222249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468222 + ... + 489544.

It is an arithmetic number, because the mean of its divisors is an integer number (681685632).

Almost surely, 2^10211222209 is an apocalyptic number.

It is an amenable number.

10211222209 is a deficient number, since it is larger than the sum of its proper divisors (695747903).

10211222209 is a wasteful number, since it uses less digits than its factorization.

10211222209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21836.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 10211222209 in words is "ten billion, two hundred eleven million, two hundred twenty-two thousand, two hundred nine".