11111010202212 has 24 divisors (see below), whose sum is σ = 25926699306816. Its totient is φ = 3703525948128.

The previous prime is 11111010202181. The next prime is 11111010202219. The reversal of 11111010202212 is 21220201011111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11111010202191 and 11111010202200.

It is not an unprimeable number, because it can be changed into a prime (11111010202219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17693448 + ... + 18310655.

It is an arithmetic number, because the mean of its divisors is an integer number (1080279137784).

Almost surely, 2^{11111010202212} is an apocalyptic number.

11111010202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11111010202212 is an abundant number, since it is smaller than the sum of its proper divisors (14815689104604).

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

11111010202212 is a wasteful number, since it uses less digits than its factorization.

11111010202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36029827 (or 36029825 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11111010202212 its reverse (21220201011111), we get a palindrome (32331211213323).

The spelling of 11111010202212 in words is "eleven trillion, one hundred eleven billion, ten million, two hundred two thousand, two hundred twelve".