11110021212112 has 40 divisors (see below), whose sum is σ = 23577808725000. Its totient is φ = 5047960952832.

The previous prime is 11110021212067. The next prime is 11110021212113. The reversal of 11110021212112 is 21121212001111.

It can be written as a sum of positive squares in 4 ways, for example, as 893713092496 + 10216308119616 = 945364^2 + 3196296^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110021212113) 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, 704227737 + ... + 704243512.

It is an arithmetic number, because the mean of its divisors is an integer number (589445218125).

Almost surely, 2^{11110021212112} is an apocalyptic number.

It is an amenable number.

11110021212112 is an abundant number, since it is smaller than the sum of its proper divisors (12467787512888).

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

11110021212112 is a wasteful number, since it uses less digits than its factorization.

11110021212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408471303 (or 1408471297 counting only the distinct ones).

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

Adding to 11110021212112 its reverse (21121212001111), we get a palindrome (32231233213223).

The spelling of 11110021212112 in words is "eleven trillion, one hundred ten billion, twenty-one million, two hundred twelve thousand, one hundred twelve".