20212022212211 has 4 divisors (see below), whose sum is σ = 20219455838400. Its totient is φ = 20204588586024.

The previous prime is 20212022212199. The next prime is 20212022212223. The reversal of 20212022212211 is 11221222021202.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20212022212199) and next prime (20212022212223).

It is a cyclic number.

It is not a de Polignac number, because 20212022212211 - 2⁶ = 20212022212147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212022211211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3716809016 + ... + 3716814453.

It is an arithmetic number, because the mean of its divisors is an integer number (5054863959600).

Almost surely, 2^{20212022212211} is an apocalyptic number.

20212022212211 is a deficient number, since it is larger than the sum of its proper divisors (7433626189).

20212022212211 is an equidigital number, since it uses as much as digits as its factorization.

20212022212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7433626188.

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

Adding to 20212022212211 its reverse (11221222021202), we get a palindrome (31433244233413).

The spelling of 20212022212211 in words is "twenty trillion, two hundred twelve billion, twenty-two million, two hundred twelve thousand, two hundred eleven".