1020002020211 has 2 divisors, whose sum is σ = 1020002020212. Its totient is φ = 1020002020210.

The previous prime is 1020002020201. The next prime is 1020002020217. The reversal of 1020002020211 is 1120202000201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020002020211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020002020192 and 1020002020201.

It is not a weakly prime, because it can be changed into another prime (1020002020217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510001010105 + 510001010106.

It is an arithmetic number, because the mean of its divisors is an integer number (510001010106).

Almost surely, 2^{1020002020211} is an apocalyptic number.

1020002020211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020002020211 is an equidigital number, since it uses as much as digits as its factorization.

1020002020211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1020002020211 its reverse (1120202000201), we get a palindrome (2140204020412).

The spelling of 1020002020211 in words is "one trillion, twenty billion, two million, twenty thousand, two hundred eleven".