2121011327 has 2 divisors, whose sum is σ = 2121011328. Its totient is φ = 2121011326.

The previous prime is 2121011281. The next prime is 2121011339. The reversal of 2121011327 is 7231101212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2121011327 - 2⁸ = 2121011071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121011299 and 2121011308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121011377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060505663 + 1060505664.

It is an arithmetic number, because the mean of its divisors is an integer number (1060505664).

Almost surely, 2^2121011327 is an apocalyptic number.

2121011327 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121011327 is an equidigital number, since it uses as much as digits as its factorization.

2121011327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 2121011327 is about 46054.4387328735. The cubic root of 2121011327 is about 1284.8358992451.

Adding to 2121011327 its reverse (7231101212), we get a palindrome (9352112539).

The spelling of 2121011327 in words is "two billion, one hundred twenty-one million, eleven thousand, three hundred twenty-seven".