1020210221011 has 2 divisors, whose sum is σ = 1020210221012. Its totient is φ = 1020210221010.

The previous prime is 1020210220949. The next prime is 1020210221047. The reversal of 1020210221011 is 1101220120201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020210221011 - 2²¹ = 1020208123859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020210220982 and 1020210221000.

It is not a weakly prime, because it can be changed into another prime (1020210221081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510105110505 + 510105110506.

It is an arithmetic number, because the mean of its divisors is an integer number (510105110506).

Almost surely, 2^{1020210221011} is an apocalyptic number.

1020210221011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020210221011 is an equidigital number, since it uses as much as digits as its factorization.

1020210221011 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 13.

Adding to 1020210221011 its reverse (1101220120201), we get a palindrome (2121430341212).

The spelling of 1020210221011 in words is "one trillion, twenty billion, two hundred ten million, two hundred twenty-one thousand, eleven".