11012210021200 has 240 divisors, whose sum is σ = 27250011443200. Its totient is φ = 4275205608960.

The previous prime is 11012210021179. The next prime is 11012210021203. The reversal of 11012210021200 is 212001221011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012210021203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 549309577 + ... + 549329623.

Almost surely, 2^{11012210021200} is an apocalyptic number.

11012210021200 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 11012210021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13625005721600).

11012210021200 is an abundant number, since it is smaller than the sum of its proper divisors (16237801422000).

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

11012210021200 is a wasteful number, since it uses less digits than its factorization.

11012210021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20434 (or 20423 counting only the distinct ones).

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

Adding to 11012210021200 its reverse (212001221011), we get a palindrome (11224211242211).

The spelling of 11012210021200 in words is "eleven trillion, twelve billion, two hundred ten million, twenty-one thousand, two hundred".