120211202102009 has 2 divisors, whose sum is σ = 120211202102010. Its totient is φ = 120211202102008.

The previous prime is 120211202102003. The next prime is 120211202102021. The reversal of 120211202102009 is 900201202112021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60680672448400 + 59530529653609 = 7789780^2 + 7715603^2 .

It is a cyclic number.

It is not a de Polignac number, because 120211202102009 - 2¹² = 120211202097913 is a prime.

It is a super-2 number, since 2×120211202102009² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120211202102003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105601051004 + 60105601051005.

It is an arithmetic number, because the mean of its divisors is an integer number (60105601051005).

Almost surely, 2^{120211202102009} is an apocalyptic number.

It is an amenable number.

120211202102009 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211202102009 is an equidigital number, since it uses as much as digits as its factorization.

120211202102009 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 23.

The spelling of 120211202102009 in words is "one hundred twenty trillion, two hundred eleven billion, two hundred two million, one hundred two thousand, nine".