2121003371 has 2 divisors, whose sum is σ = 2121003372. Its totient is φ = 2121003370.

The previous prime is 2121003347. The next prime is 2121003407. The reversal of 2121003371 is 1733001212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121003371 - 2¹⁰ = 2121002347 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121003271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060501685 + 1060501686.

It is an arithmetic number, because the mean of its divisors is an integer number (1060501686).

Almost surely, 2^2121003371 is an apocalyptic number.

2121003371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121003371 is an equidigital number, since it uses as much as digits as its factorization.

2121003371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2121003371 is about 46054.3523567534. The cubic root of 2121003371 is about 1284.8342927525.

Adding to 2121003371 its reverse (1733001212), we get a palindrome (3854004583).

The spelling of 2121003371 in words is "two billion, one hundred twenty-one million, three thousand, three hundred seventy-one".