121002200027 has 2 divisors, whose sum is σ = 121002200028. Its totient is φ = 121002200026.

The previous prime is 121002200021. The next prime is 121002200063. The reversal of 121002200027 is 720002200121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121002200027 - 2⁸ = 121002199771 is a prime.

It is a super-2 number, since 2×121002200027² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121002199978 and 121002200014.

It is not a weakly prime, because it can be changed into another prime (121002200021) 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, 60501100013 + 60501100014.

It is an arithmetic number, because the mean of its divisors is an integer number (60501100014).

Almost surely, 2^121002200027 is an apocalyptic number.

121002200027 is a deficient number, since it is larger than the sum of its proper divisors (1).

121002200027 is an equidigital number, since it uses as much as digits as its factorization.

121002200027 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 17.

Adding to 121002200027 its reverse (720002200121), we get a palindrome (841004400148).

The spelling of 121002200027 in words is "one hundred twenty-one billion, two million, two hundred thousand, twenty-seven".