11211020112212 has 24 divisors (see below), whose sum is σ = 20114538925992. Its totient is φ = 5464236672000.

The previous prime is 11211020112203. The next prime is 11211020112217. The reversal of 11211020112212 is 21221102011211.

It can be written as a sum of positive squares in 4 ways, for example, as 162017520196 + 11049002592016 = 402514^2 + 3324004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211020112217) 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 7 ways as a sum of consecutive naturals, for example, 28262603 + ... + 28656530.

It is an arithmetic number, because the mean of its divisors is an integer number (838105788583).

Almost surely, 2^{11211020112212} is an apocalyptic number.

It is an amenable number.

11211020112212 is a deficient number, since it is larger than the sum of its proper divisors (8903518813780).

11211020112212 is a wasteful number, since it uses less digits than its factorization.

11211020112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56920379 (or 56920377 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11211020112212 its reverse (21221102011211), we get a palindrome (32432122123423).

The spelling of 11211020112212 in words is "eleven trillion, two hundred eleven billion, twenty million, one hundred twelve thousand, two hundred twelve".