10221200009 has 2 divisors, whose sum is σ = 10221200010. Its totient is φ = 10221200008.

The previous prime is 10221199979. The next prime is 10221200039. The reversal of 10221200009 is 90000212201.

It is a balanced prime because it is at equal distance from previous prime (10221199979) and next prime (10221200039).

It can be written as a sum of positive squares in only one way, i.e., 7347918400 + 2873281609 = 85720^2 + 53603^2 .

It is an emirp because it is prime and its reverse (90000212201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10221200009 - 2⁸ = 10221199753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10221200009.

It is not a weakly prime, because it can be changed into another prime (10221200039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110600004 + 5110600005.

It is an arithmetic number, because the mean of its divisors is an integer number (5110600005).

Almost surely, 2^10221200009 is an apocalyptic number.

It is an amenable number.

10221200009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221200009 is an equidigital number, since it uses as much as digits as its factorization.

10221200009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 10221200009 in words is "ten billion, two hundred twenty-one million, two hundred thousand, nine".