11113311210 has 128 divisors (see below), whose sum is σ = 28522119168. Its totient is φ = 2766624000.

The previous prime is 11113311199. The next prime is 11113311221. The reversal of 11113311210 is 1211331111.

It is an interprime number because it is at equal distance from previous prime (11113311199) and next prime (11113311221).

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11113311210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3101620 + ... + 3105200.

It is an arithmetic number, because the mean of its divisors is an integer number (222829056).

Almost surely, 2^11113311210 is an apocalyptic number.

11113311210 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 11113311210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14261059584).

11113311210 is an abundant number, since it is smaller than the sum of its proper divisors (17408807958).

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

11113311210 is a wasteful number, since it uses less digits than its factorization.

11113311210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11113311210 its reverse (1211331111), we get a palindrome (12324642321).

The spelling of 11113311210 in words is "eleven billion, one hundred thirteen million, three hundred eleven thousand, two hundred ten".