1022020201019 has 2 divisors, whose sum is σ = 1022020201020. Its totient is φ = 1022020201018.

The previous prime is 1022020201009. The next prime is 1022020201021. The reversal of 1022020201019 is 9101020202201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9101020202201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022020201019 - 2⁴ = 1022020201003 is a prime.

It is a super-2 number, since 2×1022020201019² (a number of 25 digits) contains 22 as substring.

Together with 1022020201021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1022020201009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511010100509 + 511010100510.

It is an arithmetic number, because the mean of its divisors is an integer number (511010100510).

Almost surely, 2^{1022020201019} is an apocalyptic number.

1022020201019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022020201019 is an equidigital number, since it uses as much as digits as its factorization.

1022020201019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 1022020201019 in words is "one trillion, twenty-two billion, twenty million, two hundred one thousand, nineteen".