111230011012 has 12 divisors (see below), whose sum is σ = 194668257420. Its totient is φ = 55610508896.

The previous prime is 111230011007. The next prime is 111230011043. The reversal of 111230011012 is 210110032111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33821416836 + 77408594176 = 183906^2 + 278224^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111230010983 and 111230011001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068187 + ... + 1167682.

It is an arithmetic number, because the mean of its divisors is an integer number (16222354785).

Almost surely, 2^111230011012 is an apocalyptic number.

It is an amenable number.

111230011012 is a deficient number, since it is larger than the sum of its proper divisors (83438246408).

111230011012 is a wasteful number, since it uses less digits than its factorization.

111230011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248310 (or 2248308 counting only the distinct ones).

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

Adding to 111230011012 its reverse (210110032111), we get a palindrome (321340043123).

The spelling of 111230011012 in words is "one hundred eleven billion, two hundred thirty million, eleven thousand, twelve".