111030102112 has 48 divisors (see below), whose sum is σ = 228253842432. Its totient is φ = 53064246400.

The previous prime is 111030102097. The next prime is 111030102133. The reversal of 111030102112 is 211201030111.

It is a happy number.

It is a super-2 number, since 2×111030102112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111030102092 and 111030102101.

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, 1015953 + ... + 1119919.

It is an arithmetic number, because the mean of its divisors is an integer number (4755288384).

Almost surely, 2^111030102112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111030102112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114126921216).

111030102112 is an abundant number, since it is smaller than the sum of its proper divisors (117223740320).

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

111030102112 is a wasteful number, since it uses less digits than its factorization.

111030102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105451 (or 105443 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111030102112 its reverse (211201030111), we get a palindrome (322231132223).

The spelling of 111030102112 in words is "one hundred eleven billion, thirty million, one hundred two thousand, one hundred twelve".