11121002111057 has 2 divisors, whose sum is σ = 11121002111058. Its totient is φ = 11121002111056.

The previous prime is 11121002111047. The next prime is 11121002111101. The reversal of 11121002111057 is 75011120012111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8840536676416 + 2280465434641 = 2973304^2 + 1510121^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121002111057 - 2⁶ = 11121002110993 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121002111017) 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, 5560501055528 + 5560501055529.

It is an arithmetic number, because the mean of its divisors is an integer number (5560501055529).

Almost surely, 2^{11121002111057} is an apocalyptic number.

It is an amenable number.

11121002111057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121002111057 is an equidigital number, since it uses as much as digits as its factorization.

11121002111057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 23.

Adding to 11121002111057 its reverse (75011120012111), we get a palindrome (86132122123168).

The spelling of 11121002111057 in words is "eleven trillion, one hundred twenty-one billion, two million, one hundred eleven thousand, fifty-seven".