222120201109 has 2 divisors, whose sum is σ = 222120201110. Its totient is φ = 222120201108.

The previous prime is 222120201101. The next prime is 222120201131. The reversal of 222120201109 is 901102021222.

It is an a-pointer prime, because the next prime (222120201131) can be obtained adding 222120201109 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., 124450200625 + 97670000484 = 352775^2 + 312522^2 .

It is a cyclic number.

It is not a de Polignac number, because 222120201109 - 2³ = 222120201101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222120201109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120201101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060100554 + 111060100555.

It is an arithmetic number, because the mean of its divisors is an integer number (111060100555).

Almost surely, 2^222120201109 is an apocalyptic number.

It is an amenable number.

222120201109 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120201109 is an equidigital number, since it uses as much as digits as its factorization.

222120201109 is an evil number, because the sum of its binary digits is even.

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

The spelling of 222120201109 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred one thousand, one hundred nine".