11121112021112 has 16 divisors (see below), whose sum is σ = 20852125693800. Its totient is φ = 5560545169440.

The previous prime is 11121112021091. The next prime is 11121112021147. The reversal of 11121112021112 is 21112021112111.

It is a super-2 number, since 2×11121112021112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4485287 + ... + 6508457.

Almost surely, 2^{11121112021112} is an apocalyptic number.

It is an amenable number.

11121112021112 is a deficient number, since it is larger than the sum of its proper divisors (9731013672688).

11121112021112 is a wasteful number, since it uses less digits than its factorization.

11121112021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710286 (or 2710282 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11121112021112 its reverse (21112021112111), we get a palindrome (32233133133223).

Subtracting 11121112021112 from its reverse (21112021112111), we obtain a palindrome (9990909090999).

It can be divided in two parts, 111 and 21112021112, that multiplied together give a palindrome (2343434343432).

The spelling of 11121112021112 in words is "eleven trillion, one hundred twenty-one billion, one hundred twelve million, twenty-one thousand, one hundred twelve".