111110011012 has 144 divisors (see below), whose sum is σ = 272919249792. Its totient is φ = 38221539840.

The previous prime is 111110011009. The next prime is 111110011021. The reversal of 111110011012 is 210110011111.

It is a super-2 number, since 2×111110011012² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111110011012.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2091888 + ... + 2144344.

It is an arithmetic number, because the mean of its divisors is an integer number (1895272568).

Almost surely, 2^111110011012 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 111110011012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136459624896).

111110011012 is an abundant number, since it is smaller than the sum of its proper divisors (161809238780).

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

111110011012 is a wasteful number, since it uses less digits than its factorization.

111110011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52538 (or 52513 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111110011012 its reverse (210110011111), we get a palindrome (321220022123).

Subtracting 111110011012 from its reverse (210110011111), we obtain a palindrome (99000000099).

The spelling of 111110011012 in words is "one hundred eleven billion, one hundred ten million, eleven thousand, twelve".