10212212011 has 2 divisors, whose sum is σ = 10212212012.
Its totient is φ = 10212212010.
The previous prime is 10212211957. The next prime is 10212212033. The reversal of 10212212011 is 11021221201.
Adding to 10212212011 its reverse (11021221201), we get a palindrome (21233433212).
It is a strong prime.
It is an emirp because it is prime and its reverse (11021221201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10212212011 - 211 = 10212209963 is a prime.
It is a super-2 number, since 2×102122120112 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10212211982 and 10212212000.
It is not a weakly prime, because it can be changed into another prime (10212212411) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106106005 + 5106106006.
It is an arithmetic number, because the mean of its divisors is an integer number (5106106006).
Almost surely, 210212212011 is an apocalyptic number.
10212212011 is a deficient number, since it is larger than the sum of its proper divisors (1).
10212212011 is an equidigital number, since it uses as much as digits as its factorization.
10212212011 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 16, while the sum is 13.
The spelling of 10212212011 in words is "ten billion, two hundred twelve million, two hundred twelve thousand, eleven".