11021111123112 has 64 divisors (see below), whose sum is σ = 30616663809600. Its totient is φ = 3673407758400.

The previous prime is 11021111123101. The next prime is 11021111123171. The reversal of 11021111123112 is 21132111112011.

11021111123112 is a `hidden beast` number, since 110 + 211 + 111 + 231 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 640438 + ... + 4738394.

It is an arithmetic number, because the mean of its divisors is an integer number (478385372025).

Almost surely, 2^{11021111123112} is an apocalyptic number.

11021111123112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11021111123112 is an abundant number, since it is smaller than the sum of its proper divisors (19595552686488).

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

11021111123112 is a wasteful number, since it uses less digits than its factorization.

11021111123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110423 (or 4110413 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 18.

Adding to 11021111123112 its reverse (21132111112011), we get a palindrome (32153222235123).

The spelling of 11021111123112 in words is "eleven trillion, twenty-one billion, one hundred eleven million, one hundred twenty-three thousand, one hundred twelve".