20221000211211 has 8 divisors (see below), whose sum is σ = 26963651321040. Its totient is φ = 13479507954432.

The previous prime is 20221000211161. The next prime is 20221000211213. The reversal of 20221000211211 is 11211200012202.

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

It is not a de Polignac number, because 20221000211211 - 2¹⁵ = 20221000178443 is a prime.

It is a super-2 number, since 2×20221000211211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20221000211213) 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, 289672546 + ... + 289742343.

It is an arithmetic number, because the mean of its divisors is an integer number (3370456415130).

Almost surely, 2^{20221000211211} is an apocalyptic number.

20221000211211 is a deficient number, since it is larger than the sum of its proper divisors (6742651109829).

20221000211211 is a wasteful number, since it uses less digits than its factorization.

20221000211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579426525.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20221000211211 its reverse (11211200012202), we get a palindrome (31432200223413).

The spelling of 20221000211211 in words is "twenty trillion, two hundred twenty-one billion, two hundred eleven thousand, two hundred eleven".