11212102216 has 32 divisors (see below), whose sum is σ = 24046418880. Its totient is φ = 4801089600.

The previous prime is 11212102211. The next prime is 11212102301. The reversal of 11212102216 is 61220121211.

It is a super-2 number, since 2×11212102216² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11212102193 and 11212102202.

It is not an unprimeable number, because it can be changed into a prime (11212102211) 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, 18630 + ... + 150901.

It is an arithmetic number, because the mean of its divisors is an integer number (751450590).

Almost surely, 2^11212102216 is an apocalyptic number.

It is an amenable number.

11212102216 is an abundant number, since it is smaller than the sum of its proper divisors (12834316664).

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

11212102216 is a wasteful number, since it uses less digits than its factorization.

11212102216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170725 (or 170721 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11212102216 its reverse (61220121211), we get a palindrome (72432223427).

The spelling of 11212102216 in words is "eleven billion, two hundred twelve million, one hundred two thousand, two hundred sixteen".