11331344442210 has 128 divisors (see below), whose sum is σ = 30831808896000. Its totient is φ = 2642175873792.

The previous prime is 11331344442193. The next prime is 11331344442247. The reversal of 11331344442210 is 1224444313311.

It is a happy number.

It is a Curzon number.

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, 75944661 + ... + 76093719.

It is an arithmetic number, because the mean of its divisors is an integer number (240873507000).

Almost surely, 2^{11331344442210} is an apocalyptic number.

11331344442210 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 11331344442210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15415904448000).

11331344442210 is an abundant number, since it is smaller than the sum of its proper divisors (19500464453790).

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

11331344442210 is a wasteful number, since it uses less digits than its factorization.

11331344442210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159360.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 11331344442210 its reverse (1224444313311), we get a palindrome (12555788755521).

The spelling of 11331344442210 in words is "eleven trillion, three hundred thirty-one billion, three hundred forty-four million, four hundred forty-two thousand, two hundred ten".