1220101000009 has 2 divisors, whose sum is σ = 1220101000010. Its totient is φ = 1220101000008.

The previous prime is 1220100999979. The next prime is 1220101000039. The reversal of 1220101000009 is 9000001010221.

It is a balanced prime because it is at equal distance from previous prime (1220100999979) and next prime (1220101000039).

It can be written as a sum of positive squares in only one way, i.e., 798449473600 + 421651526409 = 893560^2 + 649347^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220101000009 - 2¹⁷ = 1220100868937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220100999956 and 1220101000001.

It is not a weakly prime, because it can be changed into another prime (1220101000039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610050500004 + 610050500005.

It is an arithmetic number, because the mean of its divisors is an integer number (610050500005).

Almost surely, 2^{1220101000009} is an apocalyptic number.

It is an amenable number.

1220101000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220101000009 is an equidigital number, since it uses as much as digits as its factorization.

1220101000009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 1220101000009 in words is "one trillion, two hundred twenty billion, one hundred one million, nine", and thus it is an aban number.