111011012021112 has 128 divisors (see below), whose sum is σ = 317708949949440. Its totient is φ = 31663985633280.

The previous prime is 111011012021083. The next prime is 111011012021113. The reversal of 111011012021112 is 211120210110111.

111011012021112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×111011012021112² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111011012021091 and 111011012021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011012021113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 666982128 + ... + 667148544.

It is an arithmetic number, because the mean of its divisors is an integer number (2482101171480).

Almost surely, 2^{111011012021112} is an apocalyptic number.

111011012021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111011012021112 is an abundant number, since it is smaller than the sum of its proper divisors (206697937928328).

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

111011012021112 is a wasteful number, since it uses less digits than its factorization.

111011012021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173101 (or 173097 counting only the distinct ones).

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

Adding to 111011012021112 its reverse (211120210110111), we get a palindrome (322131222131223).

The spelling of 111011012021112 in words is "one hundred eleven trillion, eleven billion, twelve million, twenty-one thousand, one hundred twelve".