11100322202221 has 16 divisors (see below), whose sum is σ = 12866802784000. Its totient is φ = 9379898972928.

The previous prime is 11100322202209. The next prime is 11100322202239. The reversal of 11100322202221 is 12220222300111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100322202221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100322202261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36401580 + ... + 36705253.

It is an arithmetic number, because the mean of its divisors is an integer number (804175174000).

Almost surely, 2^{11100322202221} is an apocalyptic number.

It is an amenable number.

11100322202221 is a deficient number, since it is larger than the sum of its proper divisors (1766480581779).

11100322202221 is a wasteful number, since it uses less digits than its factorization.

11100322202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73107148.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11100322202221 its reverse (12220222300111), we get a palindrome (23320544502332).

The spelling of 11100322202221 in words is "eleven trillion, one hundred billion, three hundred twenty-two million, two hundred two thousand, two hundred twenty-one".