20211122202211 has 8 divisors (see below), whose sum is σ = 20449102397760. Its totient is φ = 19973383983168.

The previous prime is 20211122202209. The next prime is 20211122202343. The reversal of 20211122202211 is 11220222111202.

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 20211122202211 - 2¹ = 20211122202209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211122292211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60326091 + ... + 60660196.

It is an arithmetic number, because the mean of its divisors is an integer number (2556137799720).

Almost surely, 2^{20211122202211} is an apocalyptic number.

20211122202211 is a deficient number, since it is larger than the sum of its proper divisors (237980195549).

20211122202211 is a wasteful number, since it uses less digits than its factorization.

20211122202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120988253.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20211122202211 its reverse (11220222111202), we get a palindrome (31431344313413).

The spelling of 20211122202211 in words is "twenty trillion, two hundred eleven billion, one hundred twenty-two million, two hundred two thousand, two hundred eleven".