2022212123211 has 16 divisors (see below), whose sum is σ = 3081653455104. Its totient is φ = 1155479523744.

The previous prime is 2022212123203. The next prime is 2022212123257. The reversal of 2022212123211 is 1123212122202.

It is not a de Polignac number, because 2022212123211 - 2³ = 2022212123203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2022212123411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2572941 + ... + 3265646.

It is an arithmetic number, because the mean of its divisors is an integer number (192603340944).

Almost surely, 2^{2022212123211} is an apocalyptic number.

2022212123211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2022212123211 is a deficient number, since it is larger than the sum of its proper divisors (1059441331893).

2022212123211 is a wasteful number, since it uses less digits than its factorization.

2022212123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855090.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2022212123211 its reverse (1123212122202), we get a palindrome (3145424245413).

The spelling of 2022212123211 in words is "two trillion, twenty-two billion, two hundred twelve million, one hundred twenty-three thousand, two hundred eleven".