11012120212 has 12 divisors (see below), whose sum is σ = 19286899380. Its totient is φ = 5501577536.

The previous prime is 11012120167. The next prime is 11012120213. The reversal of 11012120212 is 21202121011.

11012120212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5309453956 + 5702666256 = 72866^2 + 75516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11012120192 and 11012120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012120213) 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 in 3 ways as a sum of consecutive naturals, for example, 1115113 + ... + 1124944.

It is an arithmetic number, because the mean of its divisors is an integer number (1607241615).

Almost surely, 2^11012120212 is an apocalyptic number.

It is an amenable number.

11012120212 is a deficient number, since it is larger than the sum of its proper divisors (8274779168).

11012120212 is a wasteful number, since it uses less digits than its factorization.

11012120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241290 (or 2241288 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11012120212 its reverse (21202121011), we get a palindrome (32214241223).

The spelling of 11012120212 in words is "eleven billion, twelve million, one hundred twenty thousand, two hundred twelve".