11211022205 has 8 divisors (see below), whose sum is σ = 13520832000. Its totient is φ = 8923747536.

The previous prime is 11211022171. The next prime is 11211022259. The reversal of 11211022205 is 50222011211.

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-11211022205 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5632685 + ... + 5634674.

It is an arithmetic number, because the mean of its divisors is an integer number (1690104000).

Almost surely, 2^11211022205 is an apocalyptic number.

It is an amenable number.

11211022205 is a deficient number, since it is larger than the sum of its proper divisors (2309809795).

11211022205 is a wasteful number, since it uses less digits than its factorization.

11211022205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11267563.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 11211022205 its reverse (50222011211), we get a palindrome (61433033416).

The spelling of 11211022205 in words is "eleven billion, two hundred eleven million, twenty-two thousand, two hundred five".