10122011 has 2 divisors, whose sum is σ = 10122012.
Its totient is φ = 10122010.
The previous prime is 10121999. The next prime is 10122043. The reversal of 10122011 is 11022101.
Adding to 10122011 its reverse (11022101), we get a palindrome (21144112).
It is a weak prime.
It is an emirp because it is prime and its reverse (11022101) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10122011 - 218 = 9859867 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10122011.
It is not a weakly prime, because it can be changed into another prime (10122811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061005 + 5061006.
It is an arithmetic number, because the mean of its divisors is an integer number (5061006).
Almost surely, 210122011 is an apocalyptic number.
10122011 is a deficient number, since it is larger than the sum of its proper divisors (1).
10122011 is an equidigital number, since it uses as much as digits as its factorization.
10122011 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4, while the sum is 8.
The square root of 10122011 is about 3181.5108046335.
The cubic root of 10122011 is about 216.3161451350.
The spelling of 10122011 in words is "ten million, one hundred twenty-two thousand, eleven".