111012021112 has 32 divisors (see below), whose sum is σ = 219906446400. Its totient is φ = 52451749504.

The previous prime is 111012021097. The next prime is 111012021143. The reversal of 111012021112 is 211120210111.

It is a happy number.

It is a super-2 number, since 2×111012021112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111012021092 and 111012021101.

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, 5079523 + ... + 5101330.

It is an arithmetic number, because the mean of its divisors is an integer number (6872076450).

Almost surely, 2^111012021112 is an apocalyptic number.

It is an amenable number.

111012021112 is a deficient number, since it is larger than the sum of its proper divisors (108894425288).

111012021112 is a wasteful number, since it uses less digits than its factorization.

111012021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10180935 (or 10180931 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111012021112 its reverse (211120210111), we get a palindrome (322132231223).

The spelling of 111012021112 in words is "one hundred eleven billion, twelve million, twenty-one thousand, one hundred twelve".