11120022220212 has 72 divisors (see below), whose sum is σ = 28797531595560. Its totient is φ = 3616644245760.

The previous prime is 11120022220187. The next prime is 11120022220217. The reversal of 11120022220212 is 21202222002111.

It is a happy number.

11120022220212 is a `hidden beast` number, since 1 + 11 + 200 + 22 + 220 + 212 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 24487868196 + 11095534352016 = 156486^2 + 3330996^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120022220217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15754387 + ... + 16445082.

It is an arithmetic number, because the mean of its divisors is an integer number (399965716605).

Almost surely, 2^{11120022220212} is an apocalyptic number.

11120022220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11120022220212 is an abundant number, since it is smaller than the sum of its proper divisors (17677509375348).

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

11120022220212 is a wasteful number, since it uses less digits than its factorization.

11120022220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32199713 (or 32199708 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11120022220212 its reverse (21202222002111), we get a palindrome (32322244222323).

The spelling of 11120022220212 in words is "eleven trillion, one hundred twenty billion, twenty-two million, two hundred twenty thousand, two hundred twelve".