1010432221 has 2 divisors, whose sum is σ = 1010432222. Its totient is φ = 1010432220.

The previous prime is 1010432177. The next prime is 1010432233. The reversal of 1010432221 is 1222340101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 985080996 + 25351225 = 31386^2 + 5035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010432221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010432195 and 1010432204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010435221) 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 as a sum of consecutive naturals, namely, 505216110 + 505216111.

It is an arithmetic number, because the mean of its divisors is an integer number (505216111).

Almost surely, 2^1010432221 is an apocalyptic number.

It is an amenable number.

1010432221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010432221 is an equidigital number, since it uses as much as digits as its factorization.

1010432221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1010432221 is about 31787.2965349367. The cubic root of 1010432221 is about 1003.4653842403.

Adding to 1010432221 its reverse (1222340101), we get a palindrome (2232772322).

The spelling of 1010432221 in words is "one billion, ten million, four hundred thirty-two thousand, two hundred twenty-one".