11012121021112 has 64 divisors (see below), whose sum is σ = 20998794490560. Its totient is φ = 5412911616000.

The previous prime is 11012121021091. The next prime is 11012121021127. The reversal of 11012121021112 is 21112012121011.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 280179862 + ... + 280219162.

It is an arithmetic number, because the mean of its divisors is an integer number (328106163915).

Almost surely, 2^{11012121021112} is an apocalyptic number.

It is an amenable number.

11012121021112 is a deficient number, since it is larger than the sum of its proper divisors (9986673469448).

11012121021112 is a wasteful number, since it uses less digits than its factorization.

11012121021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40784 (or 40780 counting only the distinct ones).

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

Adding to 11012121021112 its reverse (21112012121011), we get a palindrome (32124133142123).

The spelling of 11012121021112 in words is "eleven trillion, twelve billion, one hundred twenty-one million, twenty-one thousand, one hundred twelve".