2121013311227 has 2 divisors, whose sum is σ = 2121013311228. Its totient is φ = 2121013311226.

The previous prime is 2121013311167. The next prime is 2121013311233. The reversal of 2121013311227 is 7221133101212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2121013311227 - 2⁶ = 2121013311163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121013311196 and 2121013311205.

It is not a weakly prime, because it can be changed into another prime (2121013311257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060506655613 + 1060506655614.

It is an arithmetic number, because the mean of its divisors is an integer number (1060506655614).

Almost surely, 2^{2121013311227} is an apocalyptic number.

2121013311227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121013311227 is an equidigital number, since it uses as much as digits as its factorization.

2121013311227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 2121013311227 its reverse (7221133101212), we get a palindrome (9342146412439).

The spelling of 2121013311227 in words is "two trillion, one hundred twenty-one billion, thirteen million, three hundred eleven thousand, two hundred twenty-seven".