1022221200109 has 2 divisors, whose sum is σ = 1022221200110. Its totient is φ = 1022221200108.

The previous prime is 1022221200101. The next prime is 1022221200131. The reversal of 1022221200109 is 9010021222201.

It is an a-pointer prime, because the next prime (1022221200131) can be obtained adding 1022221200109 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 871650038884 + 150571161225 = 933622^2 + 388035^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022221200109 - 2³ = 1022221200101 is a prime.

It is a super-2 number, since 2×1022221200109² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1022221200109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022221200101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511110600054 + 511110600055.

It is an arithmetic number, because the mean of its divisors is an integer number (511110600055).

Almost surely, 2^{1022221200109} is an apocalyptic number.

It is an amenable number.

1022221200109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022221200109 is an equidigital number, since it uses as much as digits as its factorization.

1022221200109 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 1022221200109 in words is "one trillion, twenty-two billion, two hundred twenty-one million, two hundred thousand, one hundred nine".