11121012020200 has 24 divisors (see below), whose sum is σ = 25856352947430. Its totient is φ = 4448404808000.

The previous prime is 11121012020197. The next prime is 11121012020257. The reversal of 11121012020200 is 202021012111.

It can be written as a sum of positive squares in 3 ways, for example, as 7590829481316 + 3530182538884 = 2755146^2 + 1878878^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27802529851 + ... + 27802530250.

Almost surely, 2^{11121012020200} is an apocalyptic number.

11121012020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121012020200 is an abundant number, since it is smaller than the sum of its proper divisors (14735340927230).

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

11121012020200 is a wasteful number, since it uses less digits than its factorization.

11121012020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55605060117 (or 55605060108 counting only the distinct ones).

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

Adding to 11121012020200 its reverse (202021012111), we get a palindrome (11323033032311).

The spelling of 11121012020200 in words is "eleven trillion, one hundred twenty-one billion, twelve million, twenty thousand, two hundred".