1010220112021 has 2 divisors, whose sum is σ = 1010220112022. Its totient is φ = 1010220112020.

The previous prime is 1010220111991. The next prime is 1010220112051. The reversal of 1010220112021 is 1202110220101.

It is a balanced prime because it is at equal distance from previous prime (1010220111991) and next prime (1010220112051).

It can be written as a sum of positive squares in only one way, i.e., 630904547025 + 379315564996 = 794295^2 + 615886^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010220112021 - 2⁷ = 1010220111893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010220111992 and 1010220112010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010220112051) 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, 505110056010 + 505110056011.

It is an arithmetic number, because the mean of its divisors is an integer number (505110056011).

Almost surely, 2^{1010220112021} is an apocalyptic number.

It is an amenable number.

1010220112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010220112021 is an equidigital number, since it uses as much as digits as its factorization.

1010220112021 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 1010220112021 its reverse (1202110220101), we get a palindrome (2212330332122).

The spelling of 1010220112021 in words is "one trillion, ten billion, two hundred twenty million, one hundred twelve thousand, twenty-one".