121021201220107 has 2 divisors, whose sum is σ = 121021201220108. Its totient is φ = 121021201220106.

The previous prime is 121021201220071. The next prime is 121021201220141. The reversal of 121021201220107 is 701022102120121.

Together with previous prime (121021201220071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121021201220107 - 2⁴³ = 112225108197899 is a prime.

It is a super-2 number, since 2×121021201220107² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121021201220147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60510600610053 + 60510600610054.

It is an arithmetic number, because the mean of its divisors is an integer number (60510600610054).

Almost surely, 2^{121021201220107} is an apocalyptic number.

121021201220107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121021201220107 is an equidigital number, since it uses as much as digits as its factorization.

121021201220107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 121021201220107 its reverse (701022102120121), we get a palindrome (822043303340228).

The spelling of 121021201220107 in words is "one hundred twenty-one trillion, twenty-one billion, two hundred one million, two hundred twenty thousand, one hundred seven".