2022011213221 has 2 divisors, whose sum is σ = 2022011213222. Its totient is φ = 2022011213220.

The previous prime is 2022011213203. The next prime is 2022011213249. The reversal of 2022011213221 is 1223121102202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1586264680900 + 435746532321 = 1259470^2 + 660111^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022011213221 - 2²⁹ = 2021474342309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2022011213281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011005606610 + 1011005606611.

It is an arithmetic number, because the mean of its divisors is an integer number (1011005606611).

Almost surely, 2^{2022011213221} is an apocalyptic number.

It is an amenable number.

2022011213221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2022011213221 is an equidigital number, since it uses as much as digits as its factorization.

2022011213221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2022011213221 its reverse (1223121102202), we get a palindrome (3245132315423).

The spelling of 2022011213221 in words is "two trillion, twenty-two billion, eleven million, two hundred thirteen thousand, two hundred twenty-one".