110031021012 has 48 divisors (see below), whose sum is σ = 280161004032. Its totient is φ = 33332966880.

The previous prime is 110031020989. The next prime is 110031021041. The reversal of 110031021012 is 210120130011.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336763 + ... + 577469.

It is an arithmetic number, because the mean of its divisors is an integer number (5836687584).

Almost surely, 2^110031021012 is an apocalyptic number.

110031021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

110031021012 is an abundant number, since it is smaller than the sum of its proper divisors (170129983020).

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

110031021012 is a wasteful number, since it uses less digits than its factorization.

110031021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244188 (or 244186 counting only the distinct ones).

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

Adding to 110031021012 its reverse (210120130011), we get a palindrome (320151151023).

The spelling of 110031021012 in words is "one hundred ten billion, thirty-one million, twenty-one thousand, twelve".