11231020103112 has 24 divisors (see below), whose sum is σ = 30417346112790. Its totient is φ = 3743673367680.

The previous prime is 11231020103099. The next prime is 11231020103167. The reversal of 11231020103112 is 21130102013211.

11231020103112 is a `hidden beast` number, since 1 + 12 + 310 + 20 + 10 + 311 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10706285026116 + 524735076996 = 3272046^2 + 724386^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×11231020103112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77993195089 + ... + 77993195232.

Almost surely, 2^{11231020103112} is an apocalyptic number.

11231020103112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11231020103112 is an abundant number, since it is smaller than the sum of its proper divisors (19186326009678).

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

11231020103112 is a wasteful number, since it uses less digits than its factorization.

11231020103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155986390333 (or 155986390326 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11231020103112 its reverse (21130102013211), we get a palindrome (32361122116323).

The spelling of 11231020103112 in words is "eleven trillion, two hundred thirty-one billion, twenty million, one hundred three thousand, one hundred twelve".