11012222100221 has 8 divisors (see below), whose sum is σ = 11550553304640. Its totient is φ = 10478852474112.

The previous prime is 11012222100197. The next prime is 11012222100307. The reversal of 11012222100221 is 12200122221011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11012222100221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11012222100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012222150221) 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, 1240390031 + ... + 1240398908.

It is an arithmetic number, because the mean of its divisors is an integer number (1443819163080).

Almost surely, 2^{11012222100221} is an apocalyptic number.

It is an amenable number.

11012222100221 is a deficient number, since it is larger than the sum of its proper divisors (538331204419).

11012222100221 is a wasteful number, since it uses less digits than its factorization.

11012222100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480789155.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11012222100221 its reverse (12200122221011), we get a palindrome (23212344321232).

The spelling of 11012222100221 in words is "eleven trillion, twelve billion, two hundred twenty-two million, one hundred thousand, two hundred twenty-one".