3220121171 has 2 divisors, whose sum is σ = 3220121172. Its totient is φ = 3220121170.

The previous prime is 3220121101. The next prime is 3220121173. The reversal of 3220121171 is 1711210223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3220121171 - 2¹⁴ = 3220104787 is a prime.

It is a super-2 number, since 2×3220121171² = 20738360711844822482, which contains 22 as substring.

Together with 3220121173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3220121173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610060585 + 1610060586.

It is an arithmetic number, because the mean of its divisors is an integer number (1610060586).

Almost surely, 2^3220121171 is an apocalyptic number.

3220121171 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220121171 is an equidigital number, since it uses as much as digits as its factorization.

3220121171 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3220121171 is about 56746.1115055472. Note that the first 3 decimals coincide. The cubic root of 3220121171 is about 1476.6947745098.

Adding to 3220121171 its reverse (1711210223), we get a palindrome (4931331394).

The spelling of 3220121171 in words is "three billion, two hundred twenty million, one hundred twenty-one thousand, one hundred seventy-one".