11200021012221 has 8 divisors (see below), whose sum is σ = 14933469782304. Its totient is φ = 7466626458480.

The previous prime is 11200021012207. The next prime is 11200021012253. The reversal of 11200021012221 is 12221012000211.

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

It is not a de Polignac number, because 11200021012221 - 2⁹ = 11200021011709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11200021012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200021012321) 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, 13069590 + ... + 13900151.

It is an arithmetic number, because the mean of its divisors is an integer number (1866683722788).

Almost surely, 2^{11200021012221} is an apocalyptic number.

It is an amenable number.

11200021012221 is a deficient number, since it is larger than the sum of its proper divisors (3733448770083).

11200021012221 is a wasteful number, since it uses less digits than its factorization.

11200021012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27108171.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11200021012221 its reverse (12221012000211), we get a palindrome (23421033012432).

The spelling of 11200021012221 in words is "eleven trillion, two hundred billion, twenty-one million, twelve thousand, two hundred twenty-one".