11200122001221 has 8 divisors (see below), whose sum is σ = 15337104001824. Its totient is φ = 7264944000720.

The previous prime is 11200122001207. The next prime is 11200122001247. The reversal of 11200122001221 is 12210022100211.

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

It is not a de Polignac number, because 11200122001221 - 2⁶ = 11200122001157 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11200122001221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200122001121) 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, 50450999895 + ... + 50451000116.

It is an arithmetic number, because the mean of its divisors is an integer number (1917138000228).

Almost surely, 2^{11200122001221} is an apocalyptic number.

It is an amenable number.

11200122001221 is a deficient number, since it is larger than the sum of its proper divisors (4136982000603).

11200122001221 is a wasteful number, since it uses less digits than its factorization.

11200122001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100902000051.

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

Adding to 11200122001221 its reverse (12210022100211), we get a palindrome (23410144101432).

The spelling of 11200122001221 in words is "eleven trillion, two hundred billion, one hundred twenty-two million, one thousand, two hundred twenty-one".