11021011120212 has 12 divisors (see below), whose sum is σ = 25715692613856. Its totient is φ = 3673670373400.

The previous prime is 11021011120211. The next prime is 11021011120253. The reversal of 11021011120212 is 21202111012011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×11021011120212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11021011120191 and 11021011120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021011120211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459208796664 + ... + 459208796687.

It is an arithmetic number, because the mean of its divisors is an integer number (2142974384488).

Almost surely, 2^{11021011120212} is an apocalyptic number.

11021011120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11021011120212 is an abundant number, since it is smaller than the sum of its proper divisors (14694681493644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11021011120212 is a wasteful number, since it uses less digits than its factorization.

11021011120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918417593358 (or 918417593356 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11021011120212 its reverse (21202111012011), we get a palindrome (32223122132223).

The spelling of 11021011120212 in words is "eleven trillion, twenty-one billion, eleven million, one hundred twenty thousand, two hundred twelve".