120211011100009 has 2 divisors, whose sum is σ = 120211011100010. Its totient is φ = 120211011100008.

The previous prime is 120211011099983. The next prime is 120211011100027. The reversal of 120211011100009 is 900001110112021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117786849291225 + 2424161808784 = 10852965^2 + 1556972^2 .

It is a cyclic number.

It is not a de Polignac number, because 120211011100009 - 2¹³ = 120211011091817 is a prime.

It is not a weakly prime, because it can be changed into another prime (120211011190009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105505550004 + 60105505550005.

It is an arithmetic number, because the mean of its divisors is an integer number (60105505550005).

Almost surely, 2^{120211011100009} is an apocalyptic number.

It is an amenable number.

120211011100009 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211011100009 is an equidigital number, since it uses as much as digits as its factorization.

120211011100009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 120211011100009 in words is "one hundred twenty trillion, two hundred eleven billion, eleven million, one hundred thousand, nine".