211100121301 has 2 divisors, whose sum is σ = 211100121302. Its totient is φ = 211100121300.

The previous prime is 211100121299. The next prime is 211100121313. The reversal of 211100121301 is 103121001112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126968218276 + 84131903025 = 356326^2 + 290055^2 .

It is a cyclic number.

It is not a de Polignac number, because 211100121301 - 2¹ = 211100121299 is a prime.

It is a super-2 number, since 2×211100121301² (a number of 23 digits) contains 22 as substring.

Together with 211100121299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211100121101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105550060650 + 105550060651.

It is an arithmetic number, because the mean of its divisors is an integer number (105550060651).

Almost surely, 2^211100121301 is an apocalyptic number.

It is an amenable number.

211100121301 is a deficient number, since it is larger than the sum of its proper divisors (1).

211100121301 is an equidigital number, since it uses as much as digits as its factorization.

211100121301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 211100121301 its reverse (103121001112), we get a palindrome (314221122413).

The spelling of 211100121301 in words is "two hundred eleven billion, one hundred million, one hundred twenty-one thousand, three hundred one".