11102112221212 has 12 divisors (see below), whose sum is σ = 19747199607016. Its totient is φ = 5460055190640.

The previous prime is 11102112221203. The next prime is 11102112221231. The reversal of 11102112221212 is 21212221120111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11102112221212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22750229718 + ... + 22750230205.

Almost surely, 2^{11102112221212} is an apocalyptic number.

It is an amenable number.

11102112221212 is a deficient number, since it is larger than the sum of its proper divisors (8645087385804).

11102112221212 is a wasteful number, since it uses less digits than its factorization.

11102112221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45500459988 (or 45500459986 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11102112221212 its reverse (21212221120111), we get a palindrome (32314333341323).

The spelling of 11102112221212 in words is "eleven trillion, one hundred two billion, one hundred twelve million, two hundred twenty-one thousand, two hundred twelve".