11011121021112 has 32 divisors (see below), whose sum is σ = 27538321549200. Its totient is φ = 3668971140864.

The previous prime is 11011121021111. The next prime is 11011121021143. The reversal of 11011121021112 is 21112012111011.

It is a super-2 number, since 2×11011121021112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11011121021091 and 11011121021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011121021111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87594187 + ... + 87719802.

Almost surely, 2^{11011121021112} is an apocalyptic number.

11011121021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11011121021112 is an abundant number, since it is smaller than the sum of its proper divisors (16527200528088).

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

11011121021112 is a wasteful number, since it uses less digits than its factorization.

11011121021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175316615 (or 175316611 counting only the distinct ones).

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

Adding to 11011121021112 its reverse (21112012111011), we get a palindrome (32123133132123).

The spelling of 11011121021112 in words is "eleven trillion, eleven billion, one hundred twenty-one million, twenty-one thousand, one hundred twelve".