1022220301021 has 2 divisors, whose sum is σ = 1022220301022. Its totient is φ = 1022220301020.

The previous prime is 1022220301019. The next prime is 1022220301103. The reversal of 1022220301021 is 1201030222201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1008445757796 + 13774543225 = 1004214^2 + 117365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022220301021 - 2¹ = 1022220301019 is a prime.

Together with 1022220301019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1022220300986 and 1022220301004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022220301121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511110150510 + 511110150511.

It is an arithmetic number, because the mean of its divisors is an integer number (511110150511).

Almost surely, 2^{1022220301021} is an apocalyptic number.

It is an amenable number.

1022220301021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022220301021 is an equidigital number, since it uses as much as digits as its factorization.

1022220301021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1022220301021 its reverse (1201030222201), we get a palindrome (2223250523222).

The spelling of 1022220301021 in words is "one trillion, twenty-two billion, two hundred twenty million, three hundred one thousand, twenty-one".