2212022121211 has 4 divisors (see below), whose sum is σ = 2528025281392. Its totient is φ = 1896018961032.

The previous prime is 2212022121203. The next prime is 2212022121229. The reversal of 2212022121211 is 1121212202122.

2212022121211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2212022121211 - 2³ = 2212022121203 is a prime.

It is a super-2 number, since 2×2212022121211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212022121611) 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, 158001580080 + ... + 158001580093.

It is an arithmetic number, because the mean of its divisors is an integer number (632006320348).

Almost surely, 2^{2212022121211} is an apocalyptic number.

2212022121211 is a deficient number, since it is larger than the sum of its proper divisors (316003160181).

2212022121211 is an equidigital number, since it uses as much as digits as its factorization.

2212022121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316003160180.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2212022121211 its reverse (1121212202122), we get a palindrome (3333234323333).

The spelling of 2212022121211 in words is "two trillion, two hundred twelve billion, twenty-two million, one hundred twenty-one thousand, two hundred eleven".