111012102112 has 48 divisors (see below), whose sum is σ = 225652234752. Its totient is φ = 53704344960.

The previous prime is 111012102077. The next prime is 111012102119. The reversal of 111012102112 is 211201210111.

It is a happy number.

It is a super-2 number, since 2×111012102112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111012102092 and 111012102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012102119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6700623 + ... + 6717169.

It is an arithmetic number, because the mean of its divisors is an integer number (4701088224).

Almost surely, 2^111012102112 is an apocalyptic number.

It is an amenable number.

111012102112 is an abundant number, since it is smaller than the sum of its proper divisors (114640132640).

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

111012102112 is a wasteful number, since it uses less digits than its factorization.

111012102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23351 (or 23343 counting only the distinct ones).

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

Adding to 111012102112 its reverse (211201210111), we get a palindrome (322213312223).

The spelling of 111012102112 in words is "one hundred eleven billion, twelve million, one hundred two thousand, one hundred twelve".