3201122220251 has 2 divisors, whose sum is σ = 3201122220252. Its totient is φ = 3201122220250.

The previous prime is 3201122220217. The next prime is 3201122220253. The reversal of 3201122220251 is 1520222211023.

3201122220251 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3201122220251 - 2²² = 3201118025947 is a prime.

Together with 3201122220253, 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 (3201122220253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600561110125 + 1600561110126.

It is an arithmetic number, because the mean of its divisors is an integer number (1600561110126).

Almost surely, 2^{3201122220251} is an apocalyptic number.

3201122220251 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201122220251 is an equidigital number, since it uses as much as digits as its factorization.

3201122220251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 3201122220251 its reverse (1520222211023), we get a palindrome (4721344431274).

The spelling of 3201122220251 in words is "three trillion, two hundred one billion, one hundred twenty-two million, two hundred twenty thousand, two hundred fifty-one".