30221001010 has 32 divisors (see below), whose sum is σ = 54922673520. Its totient is φ = 11971867392.

The previous prime is 30221000983. The next prime is 30221001089. The reversal of 30221001010 is 1010012203.

It can be written as a sum of positive squares in 8 ways, for example, as 6713671969 + 23507329041 = 81937^2 + 153321^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2912752 + ... + 2923108.

Almost surely, 2^30221001010 is an apocalyptic number.

30221001010 is a deficient number, since it is larger than the sum of its proper divisors (24701672510).

30221001010 is a wasteful number, since it uses less digits than its factorization.

30221001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13150.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 30221001010 its reverse (1010012203), we get a palindrome (31231013213).

The spelling of 30221001010 in words is "thirty billion, two hundred twenty-one million, one thousand, ten".