3020111220257 has 2 divisors, whose sum is σ = 3020111220258. Its totient is φ = 3020111220256.

The previous prime is 3020111220211. The next prime is 3020111220319. The reversal of 3020111220257 is 7520221110203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1623970471201 + 1396140749056 = 1274351^2 + 1181584^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020111220257 - 2²⁸ = 3019842784801 is a prime.

It is not a weakly prime, because it can be changed into another prime (3020111220457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510055610128 + 1510055610129.

It is an arithmetic number, because the mean of its divisors is an integer number (1510055610129).

Almost surely, 2^{3020111220257} is an apocalyptic number.

It is an amenable number.

3020111220257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020111220257 is an equidigital number, since it uses as much as digits as its factorization.

3020111220257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The spelling of 3020111220257 in words is "three trillion, twenty billion, one hundred eleven million, two hundred twenty thousand, two hundred fifty-seven".