211103302057 has 2 divisors, whose sum is σ = 211103302058. Its totient is φ = 211103302056.

The previous prime is 211103302037. The next prime is 211103302103. The reversal of 211103302057 is 750203301112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207319944976 + 3783357081 = 455324^2 + 61509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211103302057 is a prime.

It is not a weakly prime, because it can be changed into another prime (211103302027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105551651028 + 105551651029.

It is an arithmetic number, because the mean of its divisors is an integer number (105551651029).

Almost surely, 2^211103302057 is an apocalyptic number.

It is an amenable number.

211103302057 is a deficient number, since it is larger than the sum of its proper divisors (1).

211103302057 is an equidigital number, since it uses as much as digits as its factorization.

211103302057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

Adding to 211103302057 its reverse (750203301112), we get a palindrome (961306603169).

The spelling of 211103302057 in words is "two hundred eleven billion, one hundred three million, three hundred two thousand, fifty-seven".