120001102222009 has 2 divisors, whose sum is σ = 120001102222010. Its totient is φ = 120001102222008.

The previous prime is 120001102222007. The next prime is 120001102222021. The reversal of 120001102222009 is 900222201100021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72768952542784 + 47232149679225 = 8530472^2 + 6872565^2 .

It is a cyclic number.

It is not a de Polignac number, because 120001102222009 - 2¹ = 120001102222007 is a prime.

Together with 120001102222007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120001102222007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000551111004 + 60000551111005.

It is an arithmetic number, because the mean of its divisors is an integer number (60000551111005).

Almost surely, 2^{120001102222009} is an apocalyptic number.

It is an amenable number.

120001102222009 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001102222009 is an equidigital number, since it uses as much as digits as its factorization.

120001102222009 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 120001102222009 in words is "one hundred twenty trillion, one billion, one hundred two million, two hundred twenty-two thousand, nine".