1111131202110 has 128 divisors (see below), whose sum is σ = 2761204032000. Its totient is φ = 285939694080.

The previous prime is 1111131202079. The next prime is 1111131202123. The reversal of 1111131202110 is 112021311111.

It is a super-2 number, since 2×1111131202110² (a number of 25 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 1111131202110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122218665 + ... + 122227755.

It is an arithmetic number, because the mean of its divisors is an integer number (21571906500).

Almost surely, 2^{1111131202110} is an apocalyptic number.

1111131202110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111131202110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1380602016000).

1111131202110 is an abundant number, since it is smaller than the sum of its proper divisors (1650072829890).

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

1111131202110 is a wasteful number, since it uses less digits than its factorization.

1111131202110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10026.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1111131202110 its reverse (112021311111), we get a palindrome (1223152513221).

The spelling of 1111131202110 in words is "one trillion, one hundred eleven billion, one hundred thirty-one million, two hundred two thousand, one hundred ten".