1010057221 has 8 divisors (see below), whose sum is σ = 1043005184. Its totient is φ = 977132160.

The previous prime is 1010057219. The next prime is 1010057231. The reversal of 1010057221 is 1227500101.

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 1010057221 - 2¹ = 1010057219 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 (1010057231) 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, 169525 + ... + 175381.

It is an arithmetic number, because the mean of its divisors is an integer number (130375648).

Almost surely, 2^1010057221 is an apocalyptic number.

It is an amenable number.

1010057221 is a deficient number, since it is larger than the sum of its proper divisors (32947963).

1010057221 is an equidigital number, since it uses as much as digits as its factorization.

1010057221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11451.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1010057221 is about 31781.3974047712. The cubic root of 1010057221 is about 1003.3412307435.

Adding to 1010057221 its reverse (1227500101), we get a palindrome (2237557322).

The spelling of 1010057221 in words is "one billion, ten million, fifty-seven thousand, two hundred twenty-one".