11011011221112 has 32 divisors (see below), whose sum is σ = 31460032060800. Its totient is φ = 3146003205984.

The previous prime is 11011011221069. The next prime is 11011011221113. The reversal of 11011011221112 is 21112211011011.

It is a super-2 number, since 2×11011011221112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11011011221091 and 11011011221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011011221113) 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, 32770866562 + ... + 32770866897.

It is an arithmetic number, because the mean of its divisors is an integer number (983126001900).

Almost surely, 2^{11011011221112} is an apocalyptic number.

11011011221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11011011221112 is an abundant number, since it is smaller than the sum of its proper divisors (20449020839688).

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

11011011221112 is a wasteful number, since it uses less digits than its factorization.

11011011221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65541733475 (or 65541733471 counting only the distinct ones).

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

Adding to 11011011221112 its reverse (21112211011011), we get a palindrome (32123222232123).

The spelling of 11011011221112 in words is "eleven trillion, eleven billion, eleven million, two hundred twenty-one thousand, one hundred twelve".