11021020020200 has 24 divisors (see below), whose sum is σ = 25623871547430. Its totient is φ = 4408408008000.

The previous prime is 11021020020193. The next prime is 11021020020209. The reversal of 11021020020200 is 202002012011.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10168356153796 + 852663866404 = 3188786^2 + 923398^2 .

It is not an unprimeable number, because it can be changed into a prime (11021020020209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27552549851 + ... + 27552550250.

Almost surely, 2^{11021020020200} is an apocalyptic number.

11021020020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021020020200 is an abundant number, since it is smaller than the sum of its proper divisors (14602851527230).

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

11021020020200 is a wasteful number, since it uses less digits than its factorization.

11021020020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55105100117 (or 55105100108 counting only the distinct ones).

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

Adding to 11021020020200 its reverse (202002012011), we get a palindrome (11223022032211).

The spelling of 11021020020200 in words is "eleven trillion, twenty-one billion, twenty million, twenty thousand, two hundred".