1010143221 has 8 divisors (see below), whose sum is σ = 1359214560. Its totient is φ = 667250352.

The previous prime is 1010143207. The next prime is 1010143231. The reversal of 1010143221 is 1223410101.

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

It is not a de Polignac number, because 1010143221 - 2⁷ = 1010143093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1010143221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010143201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1544235 + ... + 1544888.

It is an arithmetic number, because the mean of its divisors is an integer number (169901820).

Almost surely, 2^1010143221 is an apocalyptic number.

It is an amenable number.

1010143221 is a deficient number, since it is larger than the sum of its proper divisors (349071339).

1010143221 is a wasteful number, since it uses less digits than its factorization.

1010143221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089235.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1010143221 is about 31782.7503687142. The cubic root of 1010143221 is about 1003.3697059939.

Adding to 1010143221 its reverse (1223410101), we get a palindrome (2233553322).

The spelling of 1010143221 in words is "one billion, ten million, one hundred forty-three thousand, two hundred twenty-one".