11222122112211 has 8 divisors (see below), whose sum is σ = 15216436762560. Its totient is φ = 7354611101672.

The previous prime is 11222122112197. The next prime is 11222122112221. The reversal of 11222122112211 is 11221122122211.

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

It is a cyclic number.

It is not a de Polignac number, because 11222122112211 - 2²⁹ = 11221585241299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11222122112221) 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, 31700909745 + ... + 31700910098.

It is an arithmetic number, because the mean of its divisors is an integer number (1902054595320).

Almost surely, 2^{11222122112211} is an apocalyptic number.

11222122112211 is a deficient number, since it is larger than the sum of its proper divisors (3994314650349).

11222122112211 is an equidigital number, since it uses as much as digits as its factorization.

11222122112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63401819905.

The product of its digits is 128, while the sum is 21.

Adding to 11222122112211 its reverse (11221122122211), we get a palindrome (22443244234422).

The spelling of 11222122112211 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, two hundred eleven".