3311221202257 has 2 divisors, whose sum is σ = 3311221202258. Its totient is φ = 3311221202256.

The previous prime is 3311221202213. The next prime is 3311221202287. The reversal of 3311221202257 is 7522021221133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1683859188496 + 1627362013761 = 1297636^2 + 1275681^2 .

It is a cyclic number.

It is not a de Polignac number, because 3311221202257 - 2¹⁹ = 3311220677969 is a prime.

It is not a weakly prime, because it can be changed into another prime (3311221202287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1655610601128 + 1655610601129.

It is an arithmetic number, because the mean of its divisors is an integer number (1655610601129).

Almost surely, 2^{3311221202257} is an apocalyptic number.

It is an amenable number.

3311221202257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3311221202257 is an equidigital number, since it uses as much as digits as its factorization.

3311221202257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 3311221202257 in words is "three trillion, three hundred eleven billion, two hundred twenty-one million, two hundred two thousand, two hundred fifty-seven".