10112210209 has 2 divisors, whose sum is σ = 10112210210. Its totient is φ = 10112210208.

The previous prime is 10112210201. The next prime is 10112210221. The reversal of 10112210209 is 90201221101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7094355984 + 3017854225 = 84228^2 + 54935^2 .

It is a cyclic number.

It is not a de Polignac number, because 10112210209 - 2³ = 10112210201 is a prime.

It is a super-2 number, since 2×10112210209² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10112210201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056105104 + 5056105105.

It is an arithmetic number, because the mean of its divisors is an integer number (5056105105).

Almost surely, 2^10112210209 is an apocalyptic number.

It is an amenable number.

10112210209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10112210209 is an equidigital number, since it uses as much as digits as its factorization.

10112210209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 10112210209 in words is "ten billion, one hundred twelve million, two hundred ten thousand, two hundred nine".