1010220223021 has 2 divisors, whose sum is σ = 1010220223022. Its totient is φ = 1010220223020.

The previous prime is 1010220222911. The next prime is 1010220223073. The reversal of 1010220223021 is 1203220220101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 582947520100 + 427272702921 = 763510^2 + 653661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010220223021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010220222986 and 1010220223004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010220223081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505110111510 + 505110111511.

It is an arithmetic number, because the mean of its divisors is an integer number (505110111511).

Almost surely, 2^{1010220223021} is an apocalyptic number.

It is an amenable number.

1010220223021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010220223021 is an equidigital number, since it uses as much as digits as its factorization.

1010220223021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1010220223021 its reverse (1203220220101), we get a palindrome (2213440443122).

The spelling of 1010220223021 in words is "one trillion, ten billion, two hundred twenty million, two hundred twenty-three thousand, twenty-one".