11201211212057 has 2 divisors, whose sum is σ = 11201211212058. Its totient is φ = 11201211212056.

The previous prime is 11201211212011. The next prime is 11201211212101. The reversal of 11201211212057 is 75021211210211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11023170253456 + 178040958601 = 3320116^2 + 421949^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201211212057 - 2⁴² = 6803164700953 is a prime.

It is a super-2 number, since 2×11201211212057² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11201211292057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600605606028 + 5600605606029.

It is an arithmetic number, because the mean of its divisors is an integer number (5600605606029).

Almost surely, 2^{11201211212057} is an apocalyptic number.

It is an amenable number.

11201211212057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201211212057 is an equidigital number, since it uses as much as digits as its factorization.

11201211212057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 26.

Adding to 11201211212057 its reverse (75021211210211), we get a palindrome (86222422422268).

The spelling of 11201211212057 in words is "eleven trillion, two hundred one billion, two hundred eleven million, two hundred twelve thousand, fifty-seven".