110203101312 has 128 divisors (see below), whose sum is σ = 302402419200. Its totient is φ = 35522027520.

The previous prime is 110203101311. The next prime is 110203101367. The reversal of 110203101312 is 213101302011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×110203101312² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110203101291 and 110203101300.

It is not an unprimeable number, because it can be changed into a prime (110203101311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20341228 + ... + 20346644.

It is an arithmetic number, because the mean of its divisors is an integer number (2362518900).

Almost surely, 2^110203101312 is an apocalyptic number.

110203101312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110203101312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151201209600).

110203101312 is an abundant number, since it is smaller than the sum of its proper divisors (192199317888).

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

110203101312 is a wasteful number, since it uses less digits than its factorization.

110203101312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174 (or 7162 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 110203101312 its reverse (213101302011), we get a palindrome (323304403323).

The spelling of 110203101312 in words is "one hundred ten billion, two hundred three million, one hundred one thousand, three hundred twelve".