121220201107 has 2 divisors, whose sum is σ = 121220201108. Its totient is φ = 121220201106.

The previous prime is 121220201041. The next prime is 121220201119. The reversal of 121220201107 is 701102022121.

It is a strong prime.

It is an emirp because it is prime and its reverse (701102022121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121220201107 - 2¹¹ = 121220199059 is a prime.

It is not a weakly prime, because it can be changed into another prime (121220201147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610100553 + 60610100554.

It is an arithmetic number, because the mean of its divisors is an integer number (60610100554).

Almost surely, 2^121220201107 is an apocalyptic number.

121220201107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121220201107 is an equidigital number, since it uses as much as digits as its factorization.

121220201107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 121220201107 its reverse (701102022121), we get a palindrome (822322223228).

The spelling of 121220201107 in words is "one hundred twenty-one billion, two hundred twenty million, two hundred one thousand, one hundred seven".