1101220200200 has 96 divisors (see below), whose sum is σ = 2570774124360. Its totient is φ = 438694963200.

The previous prime is 1101220200191. The next prime is 1101220200209. The reversal of 1101220200200 is 20020221011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1101220200191) and next prime (1101220200209).

It can be written as a sum of positive squares in 12 ways, for example, as 17618314756 + 1083601885444 = 132734^2 + 1040962^2 .

It is not an unprimeable number, because it can be changed into a prime (1101220200209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77429090 + ... + 77443310.

Almost surely, 2^{1101220200200} is an apocalyptic number.

1101220200200 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 1101220200200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285387062180).

1101220200200 is an abundant number, since it is smaller than the sum of its proper divisors (1469553924160).

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

1101220200200 is a wasteful number, since it uses less digits than its factorization.

1101220200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15787 (or 15778 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1101220200200 its reverse (20020221011), we get a palindrome (1121240421211).

The spelling of 1101220200200 in words is "one trillion, one hundred one billion, two hundred twenty million, two hundred thousand, two hundred".