11111010112212 has 24 divisors (see below), whose sum is σ = 26290840830912. Its totient is φ = 3651505670400.

The previous prime is 11111010112187. The next prime is 11111010112219. The reversal of 11111010112212 is 21221101011111.

It is a junction number, because it is equal to n+sod(n) for n = 11111010112191 and 11111010112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111010112219) 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, 6520544989 + ... + 6520546692.

It is an arithmetic number, because the mean of its divisors is an integer number (1095451701288).

Almost surely, 2^{11111010112212} is an apocalyptic number.

11111010112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11111010112212 is an abundant number, since it is smaller than the sum of its proper divisors (15179830718700).

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

11111010112212 is a wasteful number, since it uses less digits than its factorization.

11111010112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13041091759 (or 13041091757 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11111010112212 its reverse (21221101011111), we get a palindrome (32332111123323).

The spelling of 11111010112212 in words is "eleven trillion, one hundred eleven billion, ten million, one hundred twelve thousand, two hundred twelve".