11211112233330 has 128 divisors (see below), whose sum is σ = 27621036723456. Its totient is φ = 2910718540800.

The previous prime is 11211112233329. The next prime is 11211112233353. The reversal of 11211112233330 is 3333221111211.

It is a self number, because there is not a number n which added to its sum of digits gives 11211112233330.

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, 528292120 + ... + 528313340.

It is an arithmetic number, because the mean of its divisors is an integer number (215789349402).

Almost surely, 2^{11211112233330} is an apocalyptic number.

11211112233330 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 11211112233330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13810518361728).

11211112233330 is an abundant number, since it is smaller than the sum of its proper divisors (16409924490126).

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

11211112233330 is a wasteful number, since it uses less digits than its factorization.

11211112233330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22572.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11211112233330 its reverse (3333221111211), we get a palindrome (14544333344541).

The spelling of 11211112233330 in words is "eleven trillion, two hundred eleven billion, one hundred twelve million, two hundred thirty-three thousand, three hundred thirty".