10851222000 has 320 divisors, whose sum is σ = 36176684544. Its totient is φ = 2796595200.

The previous prime is 10851221999. The next prime is 10851222007. The reversal of 10851222000 is 22215801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10851222007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35345847 + ... + 35346153.

Almost surely, 2^10851222000 is an apocalyptic number.

10851222000 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 10851222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18088342272).

10851222000 is an abundant number, since it is smaller than the sum of its proper divisors (25325462544).

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

10851222000 is a wasteful number, since it uses less digits than its factorization.

10851222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 10851222000 its reverse (22215801), we get a palindrome (10873437801).

The spelling of 10851222000 in words is "ten billion, eight hundred fifty-one million, two hundred twenty-two thousand".