20111334321000 has 256 divisors, whose sum is σ = 67692501676800. Its totient is φ = 4941806976000.

The previous prime is 20111334320977. The next prime is 20111334321011. The reversal of 20111334321000 is 12343311102.

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, 21817446 + ... + 22720554.

It is an arithmetic number, because the mean of its divisors is an integer number (264423834675).

Almost surely, 2^{20111334321000} is an apocalyptic number.

20111334321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20111334321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33846250838400).

20111334321000 is an abundant number, since it is smaller than the sum of its proper divisors (47581167355800).

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

20111334321000 is a wasteful number, since it uses less digits than its factorization.

20111334321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903717 (or 903703 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20111334321000 its reverse (12343311102), we get a palindrome (20123677632102).

The spelling of 20111334321000 in words is "twenty trillion, one hundred eleven billion, three hundred thirty-four million, three hundred twenty-one thousand".