2122020221213 has 2 divisors, whose sum is σ = 2122020221214. Its totient is φ = 2122020221212.

The previous prime is 2122020221171. The next prime is 2122020221263. The reversal of 2122020221213 is 3121220202212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2111636203609 + 10384017604 = 1453147^2 + 101902^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122020221213 - 2¹⁸ = 2122019959069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122020221263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061010110606 + 1061010110607.

It is an arithmetic number, because the mean of its divisors is an integer number (1061010110607).

Almost surely, 2^{2122020221213} is an apocalyptic number.

It is an amenable number.

2122020221213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122020221213 is an equidigital number, since it uses as much as digits as its factorization.

2122020221213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2122020221213 its reverse (3121220202212), we get a palindrome (5243240423425).

The spelling of 2122020221213 in words is "two trillion, one hundred twenty-two billion, twenty million, two hundred twenty-one thousand, two hundred thirteen".