11023112221000 has 768 divisors, whose sum is σ = 29827245127680. Its totient is φ = 3806865216000.

The previous prime is 11023112220961. The next prime is 11023112221021. The reversal of 11023112221000 is 12221132011.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 35905902847 + ... + 35905903153.

It is an arithmetic number, because the mean of its divisors is an integer number (38837558760).

Almost surely, 2^{11023112221000} is an apocalyptic number.

11023112221000 is a gapful number since it is divisible by the number (10) 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 11023112221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14913622563840).

11023112221000 is an abundant number, since it is smaller than the sum of its proper divisors (18804132906680).

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

11023112221000 is a wasteful number, since it uses less digits than its factorization.

11023112221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11023112221000 its reverse (12221132011), we get a palindrome (11035333353011).

The spelling of 11023112221000 in words is "eleven trillion, twenty-three billion, one hundred twelve million, two hundred twenty-one thousand".