111021201012 has 48 divisors (see below), whose sum is σ = 262942872192. Its totient is φ = 36454588800.

The previous prime is 111021201007. The next prime is 111021201041. The reversal of 111021201012 is 210102120111.

111021201012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6273 + ... + 471255.

It is an arithmetic number, because the mean of its divisors is an integer number (5477976504).

Almost surely, 2^111021201012 is an apocalyptic number.

111021201012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111021201012 is an abundant number, since it is smaller than the sum of its proper divisors (151921671180).

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

111021201012 is a wasteful number, since it uses less digits than its factorization.

111021201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465288 (or 465286 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111021201012 its reverse (210102120111), we get a palindrome (321123321123).

The spelling of 111021201012 in words is "one hundred eleven billion, twenty-one million, two hundred one thousand, twelve".