11011112212 has 6 divisors (see below), whose sum is σ = 19269446378. Its totient is φ = 5505556104.

The previous prime is 11011112197. The next prime is 11011112219. The reversal of 11011112212 is 21221111011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11000653456 + 10458756 = 104884^2 + 3234^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11011112192 and 11011112201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011112219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1376389023 + ... + 1376389030.

Almost surely, 2^11011112212 is an apocalyptic number.

It is an amenable number.

11011112212 is a deficient number, since it is larger than the sum of its proper divisors (8258334166).

11011112212 is a wasteful number, since it uses less digits than its factorization.

11011112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752778057 (or 2752778055 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11011112212 its reverse (21221111011), we get a palindrome (32232223223).

The spelling of 11011112212 in words is "eleven billion, eleven million, one hundred twelve thousand, two hundred twelve".