1012010221 has 16 divisors (see below), whose sum is σ = 1107744768. Its totient is φ = 920390400.

The previous prime is 1012010213. The next prime is 1012010261. The reversal of 1012010221 is 1220102101.

1012010221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1012010221 - 2³ = 1012010213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012010198 and 1012010207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012010201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580411 + ... + 582151.

It is an arithmetic number, because the mean of its divisors is an integer number (69234048).

Almost surely, 2^1012010221 is an apocalyptic number.

It is an amenable number.

1012010221 is a deficient number, since it is larger than the sum of its proper divisors (95734547).

1012010221 is a wasteful number, since it uses less digits than its factorization.

1012010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1012010221 is about 31812.1080879592. The cubic root of 1012010221 is about 1003.9874858231.

Adding to 1012010221 its reverse (1220102101), we get a palindrome (2232112322).

The spelling of 1012010221 in words is "one billion, twelve million, ten thousand, two hundred twenty-one".