212212211101201 has 2 divisors, whose sum is σ = 212212211101202. Its totient is φ = 212212211101200.

The previous prime is 212212211101157. The next prime is 212212211101207. The reversal of 212212211101201 is 102101112212212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127981593281025 + 84230617820176 = 11312895^2 + 9177724^2 .

It is a cyclic number.

It is not a de Polignac number, because 212212211101201 - 2²¹ = 212212209004049 is a prime.

It is not a weakly prime, because it can be changed into another prime (212212211101207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106105550600 + 106106105550601.

It is an arithmetic number, because the mean of its divisors is an integer number (106106105550601).

Almost surely, 2^{212212211101201} is an apocalyptic number.

It is an amenable number.

212212211101201 is a deficient number, since it is larger than the sum of its proper divisors (1).

212212211101201 is an equidigital number, since it uses as much as digits as its factorization.

212212211101201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212212211101201 its reverse (102101112212212), we get a palindrome (314313323313413).

The spelling of 212212211101201 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred eleven million, one hundred one thousand, two hundred one".