11222001010000 has 300 divisors, whose sum is σ = 29907945144000. Its totient is φ = 4074736160000.

The previous prime is 11222001009983. The next prime is 11222001010013. The reversal of 11222001010000 is 1010022211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 869983551 + ... + 869996449.

It is an arithmetic number, because the mean of its divisors is an integer number (99693150480).

Almost surely, 2^{11222001010000} is an apocalyptic number.

11222001010000 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 11222001010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14953972572000).

11222001010000 is an abundant number, since it is smaller than the sum of its proper divisors (18685944134000).

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

11222001010000 is a wasteful number, since it uses less digits than its factorization.

11222001010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13668 (or 13636 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11222001010000 its reverse (1010022211), we get a palindrome (11223011032211).

The spelling of 11222001010000 in words is "eleven trillion, two hundred twenty-two billion, one million, ten thousand".