20221211110211 has 8 divisors (see below), whose sum is σ = 21411183878640. Its totient is φ = 19031292759808.

The previous prime is 20221211110201. The next prime is 20221211110223. The reversal of 20221211110211 is 11201111212202.

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 20221211110211 - 2⁴² = 15823164599107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 20221211110211.

It is not an unprimeable number, because it can be changed into a prime (20221211110201) 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, 12838226 + ... + 14326983.

It is an arithmetic number, because the mean of its divisors is an integer number (2676397984830).

Almost surely, 2^{20221211110211} is an apocalyptic number.

20221211110211 is a deficient number, since it is larger than the sum of its proper divisors (1189972768429).

20221211110211 is a wasteful number, since it uses less digits than its factorization.

20221211110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27209013.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 20221211110211 its reverse (11201111212202), we get a palindrome (31422322322413).

The spelling of 20221211110211 in words is "twenty trillion, two hundred twenty-one billion, two hundred eleven million, one hundred ten thousand, two hundred eleven".