1100021320200 has 384 divisors, whose sum is σ = 3772110176640. Its totient is φ = 262963200000.

The previous prime is 1100021320163. The next prime is 1100021320243. The reversal of 1100021320200 is 20231200011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 171312990 + ... + 171319410.

It is an arithmetic number, because the mean of its divisors is an integer number (9823203585).

Almost surely, 2^{1100021320200} is an apocalyptic number.

1100021320200 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 1100021320200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1886055088320).

1100021320200 is an abundant number, since it is smaller than the sum of its proper divisors (2672088856440).

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

1100021320200 is a wasteful number, since it uses less digits than its factorization.

1100021320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6809 (or 6800 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1100021320200 its reverse (20231200011), we get a palindrome (1120252520211).

The spelling of 1100021320200 in words is "one trillion, one hundred billion, twenty-one million, three hundred twenty thousand, two hundred".