120101012221601 has 2 divisors, whose sum is σ = 120101012221602. Its totient is φ = 120101012221600.

The previous prime is 120101012221571. The next prime is 120101012221637. The reversal of 120101012221601 is 106122210101021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73096070541376 + 47004941680225 = 8549624^2 + 6856015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120101012221601 is a prime.

It is not a weakly prime, because it can be changed into another prime (120101011221601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050506110800 + 60050506110801.

It is an arithmetic number, because the mean of its divisors is an integer number (60050506110801).

Almost surely, 2^{120101012221601} is an apocalyptic number.

It is an amenable number.

120101012221601 is a deficient number, since it is larger than the sum of its proper divisors (1).

120101012221601 is an equidigital number, since it uses as much as digits as its factorization.

120101012221601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 120101012221601 its reverse (106122210101021), we get a palindrome (226223222322622).

The spelling of 120101012221601 in words is "one hundred twenty trillion, one hundred one billion, twelve million, two hundred twenty-one thousand, six hundred one".