1010440434221 has 8 divisors (see below), whose sum is σ = 1042577719680. Its totient is φ = 978746421888.

The previous prime is 1010440434163. The next prime is 1010440434229. The reversal of 1010440434221 is 1224340440101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010440434221 is a prime.

It is a super-2 number, since 2×1010440434221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010440434229) 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, 110813651 + ... + 110822768.

It is an arithmetic number, because the mean of its divisors is an integer number (130322214960).

Almost surely, 2^{1010440434221} is an apocalyptic number.

It is an amenable number.

1010440434221 is a deficient number, since it is larger than the sum of its proper divisors (32137285459).

1010440434221 is an equidigital number, since it uses as much as digits as its factorization.

1010440434221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221636563.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1010440434221 its reverse (1224340440101), we get a palindrome (2234780874322).

The spelling of 1010440434221 in words is "one trillion, ten billion, four hundred forty million, four hundred thirty-four thousand, two hundred twenty-one".