11121020121112 has 32 divisors (see below), whose sum is σ = 23481332812800. Its totient is φ = 4891944333600.

The previous prime is 11121020121053. The next prime is 11121020121157. The reversal of 11121020121112 is 21112102012111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2038307412 + ... + 2038312867.

It is an arithmetic number, because the mean of its divisors is an integer number (733791650400).

Almost surely, 2^{11121020121112} is an apocalyptic number.

It is an amenable number.

11121020121112 is an abundant number, since it is smaller than the sum of its proper divisors (12360312691688).

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

11121020121112 is a wasteful number, since it uses less digits than its factorization.

11121020121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076620327 (or 4076620323 counting only the distinct ones).

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

Adding to 11121020121112 its reverse (21112102012111), we get a palindrome (32233122133223).

It can be divided in two parts, 1112102012111 and 2, that multiplied together give a palindrome (2224204024222).

The spelling of 11121020121112 in words is "eleven trillion, one hundred twenty-one billion, twenty million, one hundred twenty-one thousand, one hundred twelve".