11211010020212 has 12 divisors (see below), whose sum is σ = 19750940472900. Its totient is φ = 5567884170816.

The previous prime is 11211010020193. The next prime is 11211010020227. The reversal of 11211010020212 is 21202001011211.

It can be written as a sum of positive squares in 2 ways, for example, as 946444905316 + 10264565114896 = 972854^2 + 3203836^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 9405209153 + ... + 9405210344.

It is an arithmetic number, because the mean of its divisors is an integer number (1645911706075).

Almost surely, 2^{11211010020212} is an apocalyptic number.

It is an amenable number.

11211010020212 is a deficient number, since it is larger than the sum of its proper divisors (8539930452688).

11211010020212 is a wasteful number, since it uses less digits than its factorization.

11211010020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18810419650 (or 18810419648 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11211010020212 its reverse (21202001011211), we get a palindrome (32413011031423).

Subtracting 11211010020212 from its reverse (21202001011211), we obtain a palindrome (9990990990999).

The spelling of 11211010020212 in words is "eleven trillion, two hundred eleven billion, ten million, twenty thousand, two hundred twelve".