1220010213109 has 2 divisors, whose sum is σ = 1220010213110. Its totient is φ = 1220010213108.

The previous prime is 1220010213013. The next prime is 1220010213139. The reversal of 1220010213109 is 9013120100221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1199583515025 + 20426698084 = 1095255^2 + 142922^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220010213109 - 2¹⁷ = 1220010082037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220010213109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220010213139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610005106554 + 610005106555.

It is an arithmetic number, because the mean of its divisors is an integer number (610005106555).

Almost surely, 2^{1220010213109} is an apocalyptic number.

It is an amenable number.

1220010213109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220010213109 is an equidigital number, since it uses as much as digits as its factorization.

1220010213109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 1220010213109 in words is "one trillion, two hundred twenty billion, ten million, two hundred thirteen thousand, one hundred nine".