212111133222301 has 2 divisors, whose sum is σ = 212111133222302. Its totient is φ = 212111133222300.

The previous prime is 212111133222293. The next prime is 212111133222311. The reversal of 212111133222301 is 103222331111212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175775253416676 + 36335879805625 = 13258026^2 + 6027925^2 .

It is a cyclic number.

It is not a de Polignac number, because 212111133222301 - 2³ = 212111133222293 is a prime.

It is a super-2 number, since 2×212111133222301² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212111133222311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055566611150 + 106055566611151.

It is an arithmetic number, because the mean of its divisors is an integer number (106055566611151).

Almost surely, 2^{212111133222301} is an apocalyptic number.

It is an amenable number.

212111133222301 is a deficient number, since it is larger than the sum of its proper divisors (1).

212111133222301 is an equidigital number, since it uses as much as digits as its factorization.

212111133222301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 212111133222301 its reverse (103222331111212), we get a palindrome (315333464333513).

The spelling of 212111133222301 in words is "two hundred twelve trillion, one hundred eleven billion, one hundred thirty-three million, two hundred twenty-two thousand, three hundred one".