11010212212156 has 24 divisors (see below), whose sum is σ = 19993548718080. Its totient is φ = 5299629241200.

The previous prime is 11010212212151. The next prime is 11010212212157. The reversal of 11010212212156 is 65121221201011.

It is a self number, because there is not a number n which added to its sum of digits gives 11010212212156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010212212151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232416196 + ... + 232463563.

It is an arithmetic number, because the mean of its divisors is an integer number (833064529920).

Almost surely, 2^{11010212212156} is an apocalyptic number.

It is an amenable number.

11010212212156 is a deficient number, since it is larger than the sum of its proper divisors (8983336505924).

11010212212156 is a wasteful number, since it uses less digits than its factorization.

11010212212156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464879985 (or 464879983 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 25.

Adding to 11010212212156 its reverse (65121221201011), we get a palindrome (76131433413167).

The spelling of 11010212212156 in words is "eleven trillion, ten billion, two hundred twelve million, two hundred twelve thousand, one hundred fifty-six".