11020121210200 has 96 divisors (see below), whose sum is σ = 25737431940000. Its totient is φ = 4388196556800.

The previous prime is 11020121210171. The next prime is 11020121210201. The reversal of 11020121210200 is 201212102011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020121210201) 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, 39282430 + ... + 39561970.

It is an arithmetic number, because the mean of its divisors is an integer number (268098249375).

Almost surely, 2^{11020121210200} is an apocalyptic number.

11020121210200 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 11020121210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12868715970000).

11020121210200 is an abundant number, since it is smaller than the sum of its proper divisors (14717310729800).

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

11020121210200 is a wasteful number, since it uses less digits than its factorization.

11020121210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280445 (or 280436 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11020121210200 its reverse (201212102011), we get a palindrome (11221333312211).

It can be divided in two parts, 1 and 1020121210200, that added together give a palindrome (1020121210201).

The spelling of 11020121210200 in words is "eleven trillion, twenty billion, one hundred twenty-one million, two hundred ten thousand, two hundred".