11120212102212 has 36 divisors (see below), whose sum is σ = 28298078909100. Its totient is φ = 3681859933632.

The previous prime is 11120212102121. The next prime is 11120212102213. The reversal of 11120212102212 is 21220121202111.

It can be written as a sum of positive squares in 2 ways, for example, as 6948422192196 + 4171789910016 = 2635986^2 + 2042496^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (11120212102213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1036554303 + ... + 1036565030.

It is an arithmetic number, because the mean of its divisors is an integer number (786057747475).

Almost surely, 2^{11120212102212} is an apocalyptic number.

11120212102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11120212102212 is an abundant number, since it is smaller than the sum of its proper divisors (17177866806888).

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

11120212102212 is a wasteful number, since it uses less digits than its factorization.

11120212102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073119492 (or 2073119487 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11120212102212 its reverse (21220121202111), we get a palindrome (32340333304323).

The spelling of 11120212102212 in words is "eleven trillion, one hundred twenty billion, two hundred twelve million, one hundred two thousand, two hundred twelve".