11000002121200 has 30 divisors (see below), whose sum is σ = 26427505097144. Its totient is φ = 4400000848320.

The previous prime is 11000002121153. The next prime is 11000002121203. The reversal of 11000002121200 is 212120000011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000002121203) 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, 13750002252 + ... + 13750003051.

Almost surely, 2^{11000002121200} is an apocalyptic number.

11000002121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000002121200 is an abundant number, since it is smaller than the sum of its proper divisors (15427502975944).

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

11000002121200 is a wasteful number, since it uses less digits than its factorization.

11000002121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27500005321 (or 27500005310 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11000002121200 its reverse (212120000011), we get a palindrome (11212122121211).

The spelling of 11000002121200 in words is "eleven trillion, two million, one hundred twenty-one thousand, two hundred".