111010010012 has 24 divisors (see below), whose sum is σ = 211950466560. Its totient is φ = 50453794160.

The previous prime is 111010010011. The next prime is 111010010039. The reversal of 111010010012 is 210010010111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010010011) 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, 307439 + ... + 562617.

It is an arithmetic number, because the mean of its divisors is an integer number (8831269440).

Almost surely, 2^111010010012 is an apocalyptic number.

It is an amenable number.

111010010012 is a deficient number, since it is larger than the sum of its proper divisors (100940456548).

111010010012 is a wasteful number, since it uses less digits than its factorization.

111010010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265081 (or 265079 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 111010010012 its reverse (210010010111), we get a palindrome (321020020123).

Subtracting 111010010012 from its reverse (210010010111), we obtain a palindrome (99000000099).

The spelling of 111010010012 in words is "one hundred eleven billion, ten million, ten thousand, twelve".