211222220020211 has 8 divisors (see below), whose sum is σ = 213492333550464. Its totient is φ = 208955612459200.

The previous prime is 211222220020193. The next prime is 211222220020241. The reversal of 211222220020211 is 112020022222112.

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 211222220020211 - 2¹⁴ = 211222220003827 is a prime.

It is a super-2 number, since 2×211222220020211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211222220020241) 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, 876371171 + ... + 876612156.

It is an arithmetic number, because the mean of its divisors is an integer number (26686541693808).

Almost surely, 2^{211222220020211} is an apocalyptic number.

211222220020211 is a deficient number, since it is larger than the sum of its proper divisors (2270113530253).

211222220020211 is a wasteful number, since it uses less digits than its factorization.

211222220020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752984621.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211222220020211 its reverse (112020022222112), we get a palindrome (323242242242323).

The spelling of 211222220020211 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred twenty million, twenty thousand, two hundred eleven".