11012213101 has 2 divisors, whose sum is σ = 11012213102. Its totient is φ = 11012213100.

The previous prime is 11012213099. The next prime is 11012213141. The reversal of 11012213101 is 10131221011.

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., 6150637476 + 4861575625 = 78426^2 + 69725^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012213101 - 2¹ = 11012213099 is a prime.

Together with 11012213099, 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 (11012213141) 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, 5506106550 + 5506106551.

It is an arithmetic number, because the mean of its divisors is an integer number (5506106551).

Almost surely, 2^11012213101 is an apocalyptic number.

It is an amenable number.

11012213101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012213101 is an equidigital number, since it uses as much as digits as its factorization.

11012213101 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 11012213101 its reverse (10131221011), we get a palindrome (21143434112).

The spelling of 11012213101 in words is "eleven billion, twelve million, two hundred thirteen thousand, one hundred one".