12222020219021 has 2 divisors, whose sum is σ = 12222020219022. Its totient is φ = 12222020219020.

The previous prime is 12222020218997. The next prime is 12222020219023. The reversal of 12222020219021 is 12091202022221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8227638244996 + 3994381974025 = 2868386^2 + 1998595^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222020219021 - 2³⁴ = 12204840349837 is a prime.

Together with 12222020219023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222020219023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111010109510 + 6111010109511.

It is an arithmetic number, because the mean of its divisors is an integer number (6111010109511).

Almost surely, 2^{12222020219021} is an apocalyptic number.

It is an amenable number.

12222020219021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222020219021 is an equidigital number, since it uses as much as digits as its factorization.

12222020219021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 12222020219021 in words is "twelve trillion, two hundred twenty-two billion, twenty million, two hundred nineteen thousand, twenty-one".