1010350021 has 8 divisors (see below), whose sum is σ = 1015541784. Its totient is φ = 1005169920.

The previous prime is 1010349997. The next prime is 1010350031. The reversal of 1010350021 is 1200530101.

It can be written as a sum of positive squares in 4 ways, for example, as 2604996 + 1007745025 = 1614^2 + 31745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1010350021 - 2²⁷ = 876132293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010349983 and 1010350010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010350031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208401 + ... + 213193.

It is an arithmetic number, because the mean of its divisors is an integer number (126942723).

Almost surely, 2^1010350021 is an apocalyptic number.

It is an amenable number.

1010350021 is a deficient number, since it is larger than the sum of its proper divisors (5191763).

1010350021 is an equidigital number, since it uses as much as digits as its factorization.

1010350021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1010350021 is about 31786.0035392938. The cubic root of 1010350021 is about 1003.4381724228.

Adding to 1010350021 its reverse (1200530101), we get a palindrome (2210880122).

The spelling of 1010350021 in words is "one billion, ten million, three hundred fifty thousand, twenty-one".