20221010221211 has 12 divisors (see below), whose sum is σ = 21487759968360. Its totient is φ = 19025062717440.

The previous prime is 20221010221201. The next prime is 20221010221229. The reversal of 20221010221211 is 11212201012202.

It is not a de Polignac number, because 20221010221211 - 2¹⁴ = 20221010204827 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 20221010221211.

It is not an unprimeable number, because it can be changed into a prime (20221010221201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11054150 + ... + 12752891.

It is an arithmetic number, because the mean of its divisors is an integer number (1790646664030).

Almost surely, 2^{20221010221211} is an apocalyptic number.

20221010221211 is a deficient number, since it is larger than the sum of its proper divisors (1266749747149).

20221010221211 is a wasteful number, since it uses less digits than its factorization.

20221010221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23810014 (or 23809997 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20221010221211 its reverse (11212201012202), we get a palindrome (31433211233413).

The spelling of 20221010221211 in words is "twenty trillion, two hundred twenty-one billion, ten million, two hundred twenty-one thousand, two hundred eleven".