11231320110 has 32 divisors (see below), whose sum is σ = 27026317440. Its totient is φ = 2987113248.

The previous prime is 11231320073. The next prime is 11231320157. The reversal of 11231320110 is 1102313211.

It is a happy number.

It is a super-2 number, since 2×11231320110² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11231320110.

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, 482532 + ... + 505271.

It is an arithmetic number, because the mean of its divisors is an integer number (844572420).

Almost surely, 2^11231320110 is an apocalyptic number.

11231320110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11231320110 is an abundant number, since it is smaller than the sum of its proper divisors (15794997330).

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

11231320110 is a wasteful number, since it uses less digits than its factorization.

11231320110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988192.

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

Adding to 11231320110 its reverse (1102313211), we get a palindrome (12333633321).

It can be divided in two parts, 112313201 and 10, that added together give a palindrome (112313211).

The spelling of 11231320110 in words is "eleven billion, two hundred thirty-one million, three hundred twenty thousand, one hundred ten".