211110101200057 has 2 divisors, whose sum is σ = 211110101200058. Its totient is φ = 211110101200056.

The previous prime is 211110101200049. The next prime is 211110101200247. The reversal of 211110101200057 is 750002101011112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136145864440336 + 74964236759721 = 11668156^2 + 8658189^2 .

It is a cyclic number.

It is not a de Polignac number, because 211110101200057 - 2³ = 211110101200049 is a prime.

It is not a weakly prime, because it can be changed into another prime (211110101200657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105555050600028 + 105555050600029.

It is an arithmetic number, because the mean of its divisors is an integer number (105555050600029).

Almost surely, 2^{211110101200057} is an apocalyptic number.

It is an amenable number.

211110101200057 is a deficient number, since it is larger than the sum of its proper divisors (1).

211110101200057 is an equidigital number, since it uses as much as digits as its factorization.

211110101200057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 22.

Adding to 211110101200057 its reverse (750002101011112), we get a palindrome (961112202211169).

The spelling of 211110101200057 in words is "two hundred eleven trillion, one hundred ten billion, one hundred one million, two hundred thousand, fifty-seven".