120202011109 has 2 divisors, whose sum is σ = 120202011110. Its totient is φ = 120202011108.

The previous prime is 120202011071. The next prime is 120202011119. The reversal of 120202011109 is 901110202021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118303666209 + 1898344900 = 343953^2 + 43570^2 .

It is an emirp because it is prime and its reverse (901110202021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120202011109 - 2⁹ = 120202010597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120202011119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101005554 + 60101005555.

It is an arithmetic number, because the mean of its divisors is an integer number (60101005555).

Almost surely, 2^120202011109 is an apocalyptic number.

It is an amenable number.

120202011109 is a deficient number, since it is larger than the sum of its proper divisors (1).

120202011109 is an equidigital number, since it uses as much as digits as its factorization.

120202011109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 120202011109 in words is "one hundred twenty billion, two hundred two million, eleven thousand, one hundred nine".