20021001222119 has 2 divisors, whose sum is σ = 20021001222120. Its totient is φ = 20021001222118.

The previous prime is 20021001222107. The next prime is 20021001222163. The reversal of 20021001222119 is 91122210012002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20021001222119 - 2⁸ = 20021001221863 is a prime.

It is a super-2 number, since 2×20021001222119² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 20021001222094 and 20021001222103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20021001222169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010500611059 + 10010500611060.

It is an arithmetic number, because the mean of its divisors is an integer number (10010500611060).

Almost surely, 2^{20021001222119} is an apocalyptic number.

20021001222119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021001222119 is an equidigital number, since it uses as much as digits as its factorization.

20021001222119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 20021001222119 in words is "twenty trillion, twenty-one billion, one million, two hundred twenty-two thousand, one hundred nineteen".