111100022012 has 18 divisors (see below), whose sum is σ = 226167902352. Its totient is φ = 47614295064.

The previous prime is 111100022009. The next prime is 111100022017. The reversal of 111100022012 is 210220001111.

It is a junction number, because it is equal to n+sod(n) for n = 111100021984 and 111100022002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100022017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283418228 + ... + 283418619.

It is an arithmetic number, because the mean of its divisors is an integer number (12564883464).

Almost surely, 2^111100022012 is an apocalyptic number.

It is an amenable number.

111100022012 is an abundant number, since it is smaller than the sum of its proper divisors (115067880340).

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

111100022012 is a wasteful number, since it uses less digits than its factorization.

111100022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566836865 (or 566836856 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111100022012 its reverse (210220001111), we get a palindrome (321320023123).

The spelling of 111100022012 in words is "one hundred eleven billion, one hundred million, twenty-two thousand, twelve".