11022221211000 has 512 divisors, whose sum is σ = 35299704960000. Its totient is φ = 2862542592000.

The previous prime is 11022221210989. The next prime is 11022221211031. The reversal of 11022221211000 is 11212222011.

It is a super-4 number, since 4×11022221211000⁴ (a number of 53 digits) contains 4444 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14915048631 + ... + 14915049369.

It is an arithmetic number, because the mean of its divisors is an integer number (68944736250).

Almost surely, 2^{11022221211000} is an apocalyptic number.

11022221211000 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 11022221211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17649852480000).

11022221211000 is an abundant number, since it is smaller than the sum of its proper divisors (24277483749000).

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

11022221211000 is a wasteful number, since it uses less digits than its factorization.

11022221211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11022221211000 its reverse (11212222011), we get a palindrome (11033433433011).

The spelling of 11022221211000 in words is "eleven trillion, twenty-two billion, two hundred twenty-one million, two hundred eleven thousand".