30020111221109 has 2 divisors, whose sum is σ = 30020111221110. Its totient is φ = 30020111221108.

The previous prime is 30020111221043. The next prime is 30020111221129. The reversal of 30020111221109 is 90112211102003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30017797322500 + 2313898609 = 5478850^2 + 48103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30020111221109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30020111221129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010055610554 + 15010055610555.

It is an arithmetic number, because the mean of its divisors is an integer number (15010055610555).

Almost surely, 2^{30020111221109} is an apocalyptic number.

It is an amenable number.

30020111221109 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020111221109 is an equidigital number, since it uses as much as digits as its factorization.

30020111221109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 30020111221109 in words is "thirty trillion, twenty billion, one hundred eleven million, two hundred twenty-one thousand, one hundred nine".