11120200111221 has 8 divisors (see below), whose sum is σ = 15338207050080. Its totient is φ = 7157829956592.

The previous prime is 11120200111213. The next prime is 11120200111247. The reversal of 11120200111221 is 12211100202111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11120200111221 - 2³ = 11120200111213 is a prime.

It is a super-3 number, since 3×11120200111221³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 11120200111221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120200115221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63909195955 + ... + 63909196128.

It is an arithmetic number, because the mean of its divisors is an integer number (1917275881260).

Almost surely, 2^{11120200111221} is an apocalyptic number.

It is an amenable number.

11120200111221 is a deficient number, since it is larger than the sum of its proper divisors (4218006938859).

11120200111221 is a wasteful number, since it uses less digits than its factorization.

11120200111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127818392115.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11120200111221 its reverse (12211100202111), we get a palindrome (23331300313332).

The spelling of 11120200111221 in words is "eleven trillion, one hundred twenty billion, two hundred million, one hundred eleven thousand, two hundred twenty-one".