1010000221 has 8 divisors (see below), whose sum is σ = 1014552000. Its totient is φ = 1005457248.

The previous prime is 1010000207. The next prime is 1010000231. The reversal of 1010000221 is 1220000101.

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 1010000221 - 2¹³ = 1009992029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010000231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335280 + ... + 338278.

It is an arithmetic number, because the mean of its divisors is an integer number (126819000).

Almost surely, 2^1010000221 is an apocalyptic number.

It is an amenable number.

1010000221 is a deficient number, since it is larger than the sum of its proper divisors (4551779).

1010000221 is a wasteful number, since it uses less digits than its factorization.

1010000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1010000221 is about 31780.5006411164. The cubic root of 1010000221 is about 1003.3223567217.

Adding to 1010000221 its reverse (1220000101), we get a palindrome (2230000322).

The spelling of 1010000221 in words is "one billion, ten million, two hundred twenty-one", and thus it is an aban number.